RIC:1060: Change in PTL
[ric-plt/submgr.git] / pkg / control / ut_messaging_test.go
index d20b872..538e214 100644 (file)
 package control
 
 import (
+       "encoding/json"
+       "fmt"
+       "strings"
        "testing"
        "time"
 
        "gerrit.o-ran-sc.org/r/ric-plt/e2ap/pkg/e2ap"
        "gerrit.o-ran-sc.org/r/ric-plt/e2ap/pkg/e2ap_wrapper"
+       "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
        "gerrit.o-ran-sc.org/r/ric-plt/submgr/pkg/teststube2ap"
        "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
        "github.com/stretchr/testify/assert"
 )
 
-func TestRESTSubReqAndDeleteOkWithE2apUtWrapper(t *testing.T) {
+// In below test cases there is done only one retry for E2 messages
+// In Helm chart retry count is currently 2 By default. Retry count
+// used in test cases is defined in submgr-config.yaml file.
 
-       // The effect of this call shall endure thgough the UT suite!
-       // If this causes any issues, the previout interface can be restored
-       // like this:
+func TestSuiteSetup(t *testing.T) {
+       // The effect of this call shall endure though the UT suite!
+       // If this causes any issues, the previous interface can be restored
+       // like this:git log
        // SetPackerIf(e2ap_wrapper.NewAsn1E2APPacker())
 
+       mainCtrl.InitAllCounterMap()
        SetPackerIf(e2ap_wrapper.NewUtAsn1E2APPacker())
+       mainCtrl.c.restDuplicateCtrl.Init()
+
+}
+func TestRanStatusChangeViaSDLNotification(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cE2StateChangedToUp, 3},
+       })
+
+       // Current UT test cases use these ran names
+       xappRnibMock.CreateGnb("RAN_NAME_1", entities.ConnectionStatus_DISCONNECTED)
+       xappRnibMock.CreateGnb("RAN_NAME_11", entities.ConnectionStatus_DISCONNECTED)
+       xappRnibMock.CreateGnb("RAN_NAME_2", entities.ConnectionStatus_DISCONNECTED)
+
+       mainCtrl.c.e2IfState.ReadE2ConfigurationFromRnib()
+       mainCtrl.c.e2IfState.SubscribeChannels()
+
+       mainCtrl.SetE2State(t, "RAN_NAME_1_CONNECTED")
+       mainCtrl.SetE2State(t, "RAN_NAME_2_CONNECTED")
+       mainCtrl.SetE2State(t, "RAN_NAME_11_CONNECTED")
+
+       mainCtrl.VerifyCounterValues(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqAfterE2ConnBreak
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     |         [E2 Conn. DOWN]        |
+//     |                 |              |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     |     RESTSubFail |              |
+//     |<----------------|              |
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqAfterE2ConnBreak(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestReqRejDueE2Down, 1},
+               Counter{cE2StateChangedToDown, 1},
+               Counter{cE2StateChangedToUp, 1},
+       })
+
+       // E2 disconnect after E2term has received response
+       mainCtrl.SetE2State(t, "RAN_NAME_1_DISCONNECTED")
+       // Req
+       const subReqCount int = 1
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       xappConn1.SendRESTSubsReq(t, params)
+
+       // Restore E2 connection for following test cases
+       mainCtrl.SetE2State(t, "RAN_NAME_1_CONNECTED")
+
+       mainCtrl.VerifyAllClean(t)
+       mainCtrl.VerifyCounterValues(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqE2ConnBreak
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |      SubResp |
+//     |                 |<-------------|
+//     |                 |              |
+//     |         [E2 Conn. DOWN]        |
+//     |        [Int. SUBS DELETE]      |
+//     |                 |              |
+//     |      RESTNotif(unsuccessful)   |
+//     |<----------------|              |
+//     |                 |              |
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+func TestRESTSubReqE2ConnBreak(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubFailNotifToXapp, 1},
+               Counter{cE2StateChangedToDown, 1},
+               Counter{cE2StateChangedToUp, 1},
+       })
+
+       // Req
+       const subReqCount int = 1
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+
+       crereq, cremsg := e2termConn1.RecvSubsReq(t)
+       xappConn1.ExpectRESTNotification(t, restSubId)
+
+       // E2 disconnect after E2term has received response
+       mainCtrl.SetE2State(t, "RAN_NAME_1_DISCONNECTED")
+
+       e2termConn1.SendSubsResp(t, crereq, cremsg)
+       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
+
+       <-time.After(time.Second * 1)
+       assert.Equal(t, 0, len(mainCtrl.c.registry.register))
+       assert.Equal(t, 0, len(mainCtrl.c.registry.restSubscriptions))
+
+       subIds, register, err := mainCtrl.c.ReadAllSubscriptionsFromSdl()
+       if err != nil {
+               xapp.Logger.Error("%v", err)
+       } else {
+               assert.Equal(t, 65534, len(subIds)) // range 1-65535 , FFFF = 65535
+               assert.Equal(t, 0, len(register))
+       }
+
+       restSubscriptions, err := mainCtrl.c.ReadAllRESTSubscriptionsFromSdl()
+       if err != nil {
+               xapp.Logger.Error("%v", err)
+       } else {
+               assert.Equal(t, 0, len(restSubscriptions))
+       }
+
+       // Restore E2 connection for following test cases
+       mainCtrl.SetE2State(t, "RAN_NAME_1_CONNECTED")
+
+       // Wait that subs is cleaned
+       waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubscriptionDeleteAfterE2ConnectionBreak
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     |            [SUBS CREATE]       |
+//     |                 |              |
+//     |           [E2 Conn. DOWN]      |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |  RESTSubDelResp |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |  [No valid subscription found] |
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+func TestRESTSubscriptionDeleteAfterE2ConnectionBreak(t *testing.T) {
+       xapp.Logger.Debug("TEST: TestRESTSubscriptionDeleteAfterE2ConnectionBreak")
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+               Counter{cE2StateChangedToDown, 1},
+               Counter{cE2StateChangedToUp, 1},
+       })
+
+       // Req
+       var params *teststube2ap.RESTSubsReqParams = nil
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
+
+       // E2 disconnect after E2term has received response
+       mainCtrl.SetE2State(t, "RAN_NAME_1_DISCONNECTED")
+
+       // Del
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+
+       <-time.After(time.Second * 1)
+       assert.Equal(t, 0, len(mainCtrl.c.registry.register))
+       assert.Equal(t, 0, len(mainCtrl.c.registry.restSubscriptions))
+
+       subIds, register, err := mainCtrl.c.ReadAllSubscriptionsFromSdl()
+       if err != nil {
+               xapp.Logger.Error("%v", err)
+       } else {
+               assert.Equal(t, 65534, len(subIds)) // range 1-65535 , FFFF = 65535
+               assert.Equal(t, 0, len(register))
+       }
+
+       restSubscriptions, err := mainCtrl.c.ReadAllRESTSubscriptionsFromSdl()
+       if err != nil {
+               xapp.Logger.Error("%v", err)
+       } else {
+               assert.Equal(t, 0, len(restSubscriptions))
+       }
+
+       // Restore E2 connection for following test cases
+       mainCtrl.SetE2State(t, "RAN_NAME_1_CONNECTED")
+
+       // Wait that subs is cleaned
+       mainCtrl.wait_subs_clean(t, e2SubsId, 10)
+
+       xappConn1.TestMsgChanEmpty(t)
+       e2termConn1.TestMsgChanEmpty(t)
+       mainCtrl.wait_registry_empty(t, 10)
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTOtherE2ConnectionChanges
+//
+
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     |            [SUBS CREATE]       |
+//     |                 |              |
+//     |  [E2 CONNECTED_SETUP_FAILED]   |
+//     |         [E2 CONNECTING]        |
+//     |        [E2 SHUTTING_DOWN]      |
+//     |          [E2 SHUT_DOWN]        |
+//     |                 |              |
+//     |            [SUBS DELETE]       |
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+func TestRESTOtherE2ConnectionChanges(t *testing.T) {
+       xapp.Logger.Debug("TEST: TestRESTOtherE2ConnectionChanges")
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+               Counter{cE2StateChangedToUp, 1},
+       })
+
+       // Req
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+
+       crereq, cremsg := e2termConn1.RecvSubsReq(t)
+       xappConn1.ExpectRESTNotification(t, restSubId)
+       e2termConn1.SendSubsResp(t, crereq, cremsg)
+       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
+
+       // Submgr should not react to any other connection state changes than CONNECTED and DISCONNECTED
+       mainCtrl.SetE2State(t, "RAN_NAME_1_CONNECTED_SETUP_FAILED")
+       mainCtrl.SetE2State(t, "RAN_NAME_1_CONNECTING")
+       mainCtrl.SetE2State(t, "RAN_NAME_1_SHUTTING_DOWN")
+       mainCtrl.SetE2State(t, "RAN_NAME_1_SHUT_DOWN")
+
+       // Del
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+
+       // Restore E2 connection for following test cases
+       mainCtrl.SetE2State(t, "RAN_NAME_1_CONNECTED")
+
+       // Wait that subs is cleaned
+       waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqAndDeleteOkWithE2apUtWrapper
+//
+//   stub                             stub          stub
+// +-------+        +---------+    +---------+   +---------+
+// | xapp  |        | submgr  |    | e2term  |   |  rtmgr  |
+// +-------+        +---------+    +---------+   +---------+
+//     |                 |              |             |
+//     | RESTSubReq      |              |             |
+//     |---------------->|              |             |
+//     |                 | RouteCreate  |             |
+//     |                 |--------------------------->|  // The order of these events may vary
+//     |                 |              |             |
+//     |     RESTSubResp |              |             |  // The order of these events may vary
+//     |<----------------|              |             |
+//     |                 | RouteResponse|             |
+//     |                 |<---------------------------|  // The order of these events may vary
+//     |                 |              |             |
+//     |                 | SubReq       |             |
+//     |                 |------------->|             |  // The order of these events may vary
+//     |                 |              |             |
+//     |                 |      SubResp |             |
+//     |                 |<-------------|             |
+//     |      RESTNotif1 |              |             |
+//     |<----------------|              |             |
+//     |                 |              |             |
+//     | RESTSubDelReq   |              |             |
+//     |---------------->|              |             |
+//     |                 | SubDelReq    |             |
+//     |                 |------------->|             |
+//     |                 |              |             |
+//     |   RESTSubDelResp|              |             |
+//     |<----------------|              |             |
+//     |                 |              |             |
+//     |                 |   SubDelResp |             |
+//     |                 |<-------------|             |
+//     |                 |              |             |
+//     |                 |              |             |
+//
+//-----------------------------------------------------------------------------
+func TestRESTSubReqAndDeleteOkWithE2apUtWrapper(t *testing.T) {
 
        restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, nil)
 
        deleteSubscription(t, xappConn1, e2termConn1, &restSubId)
 
        waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqAndE1apDeleteReqPackingError
+//
+//   stub                             stub          stub
+// +-------+        +---------+    +---------+   +---------+
+// | xapp  |        | submgr  |    | e2term  |   |  rtmgr  |
+// +-------+        +---------+    +---------+   +---------+
+//     |                 |              |             |
+//     | RESTSubReq      |              |             |
+//     |---------------->|              |             |
+//     |                 | RouteCreate  |             |
+//     |                 |--------------------------->|  // The order of these events may vary
+//     |                 |              |             |
+//     |     RESTSubResp |              |             |  // The order of these events may vary
+//     |<----------------|              |             |
+//     |                 | RouteResponse|             |
+//     |                 |<---------------------------|  // The order of these events may vary
+//     |                 |              |             |
+//     |                 | SubReq       |             |
+//     |                 |------------->|             |  // The order of these events may vary
+//     |                 |              |             |
+//     |                 |      SubResp |             |
+//     |                 |<-------------|             |
+//     |      RESTNotif1 |              |             |
+//     |<----------------|              |             |
+//     |                 |              |             |
+//     | RESTSubDelReq   |              |             |
+//     |---------------->|              |             |
+//     |                 |              |             |
+//     |   RESTSubDelResp|              |             |
+//     |<----------------|              |             |
+//     |                 |              |             |
+//     |                 |              |             |
+//
+//-----------------------------------------------------------------------------
+func TestRESTSubReqAndE1apDeleteReqPackingError(t *testing.T) {
+
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, nil)
+
+       e2ap_wrapper.AllowE2apToProcess(e2ap_wrapper.SUB_DEL_REQ, false)
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       defer e2ap_wrapper.AllowE2apToProcess(e2ap_wrapper.SUB_DEL_REQ, true)
+
+       waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqAndE2APDeleteRespUnpackingError
+//
+//   stub                             stub          stub
+// +-------+        +---------+    +---------+   +---------+
+// | xapp  |        | submgr  |    | e2term  |   |  rtmgr  |
+// +-------+        +---------+    +---------+   +---------+
+//     |                 |              |             |
+//     | RESTSubReq      |              |             |
+//     |---------------->|              |             |
+//     |                 | RouteCreate  |             |
+//     |                 |--------------------------->|  // The order of these events may vary
+//     |                 |              |             |
+//     |     RESTSubResp |              |             |  // The order of these events may vary
+//     |<----------------|              |             |
+//     |                 | RouteResponse|             |
+//     |                 |<---------------------------|  // The order of these events may vary
+//     |                 |              |             |
+//     |                 | SubReq       |             |
+//     |                 |------------->|             |  // The order of these events may vary
+//     |                 |              |             |
+//     |                 |      SubResp |             |
+//     |                 |<-------------|             |
+//     |      RESTNotif1 |              |             |
+//     |<----------------|              |             |
+//     |                 |              |             |
+//     | RESTSubDelReq   |              |             |
+//     |---------------->|              |             |
+//     |                 | SubDelReq    |             |
+//     |                 |------------->|             |
+//     |                 |              |             |
+//     |   RESTSubDelResp|              |             |
+//     |<----------------|              |             | // The order of these events may vary
+//     |                 |              |             |
+//     |                 |   SubDelResp |             |
+//     |                 |<-------------|             | // 1.st NOK
+//     |                 |              |             |
+//     |                 | SubDelReq    |             |
+//     |                 |------------->|             |
+//     |                 |              |             |
+//     |                 |   SubDelResp |             |
+//     |                 |<-------------|             | // 2.nd NOK
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqAndE2APDeleteRespUnpackingError(t *testing.T) {
+
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, nil)
+
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       e2ap_wrapper.AllowE2apToProcess(e2ap_wrapper.SUB_DEL_RESP, false)
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+
+       delreq, delmsg = e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+
+       defer e2ap_wrapper.AllowE2apToProcess(e2ap_wrapper.SUB_DEL_RESP, true)
+
+       waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
@@ -241,7 +690,6 @@ func TestSubDelReqAndRouteDeleteNok(t *testing.T) {
        xappConn2.TestMsgChanEmpty(t)
        e2termConn1.TestMsgChanEmpty(t)
        mainCtrl.wait_registry_empty(t, 10)
-
        mainCtrl.VerifyCounterValues(t)
 }
 
@@ -301,6 +749,7 @@ func TestSubMergeDelAndRouteUpdateNok(t *testing.T) {
        // Init counter check
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
                Counter{cSubReqFromXapp, 2},
+               Counter{cMergedSubscriptions, 1},
                Counter{cSubReqToE2, 1},
                Counter{cSubRespFromE2, 1},
                Counter{cSubRespToXapp, 2},
@@ -309,6 +758,7 @@ func TestSubMergeDelAndRouteUpdateNok(t *testing.T) {
                Counter{cSubDelReqToE2, 1},
                Counter{cSubDelRespFromE2, 1},
                Counter{cSubDelRespToXapp, 2},
+               Counter{cUnmergedSubscriptions, 1},
        })
 
        //Req1
@@ -432,50 +882,142 @@ func TestSubReqAndSubDelOk(t *testing.T) {
 }
 
 //-----------------------------------------------------------------------------
-// TestSubReqRetransmission
+
+//-----------------------------------------------------------------------------
+// TestSubReqAndSubDelOkOutofOrderIEs
 //
 //   stub                          stub
 // +-------+     +---------+    +---------+
 // | xapp  |     | submgr  |    | e2term  |
 // +-------+     +---------+    +---------+
 //     |              |              |
-//     |  SubReq      |              |
+//     | SubReq       |              |
 //     |------------->|              |
 //     |              |              |
 //     |              | SubReq       |
 //     |              |------------->|
 //     |              |              |
-//     |  SubReq      |              |
-//     | (retrans)    |              |
-//     |------------->|              |
-//     |              |              |
-//     |              |      SubResp |
+//     |              |      SubResp | (Out of Order IEs)
 //     |              |<-------------|
 //     |              |              |
 //     |      SubResp |              |
 //     |<-------------|              |
 //     |              |              |
-//     |         [SUBS DELETE]       |
 //     |              |              |
+//     | SubDelReq    |              |
+//     |------------->|              |
+//     |              |              |
+//     |              | SubDelReq    |
+//     |              |------------->|
+//     |              |              |
+//     |              |   SubDelResp |
+//     |              |<-------------|
+//     |              |              |
+//     |   SubDelResp |              |
+//     |<-------------|              |
 //
 //-----------------------------------------------------------------------------
-func TestSubReqRetransmission(t *testing.T) {
-       CaseBegin("TestSubReqRetransmission")
-
-       //Subs Create
-       cretrans := xappConn1.SendSubsReq(t, nil, nil)
-       crereq, cremsg := e2termConn1.RecvSubsReq(t)
-
-       seqBef := mainCtrl.get_msgcounter(t)
-       xappConn1.SendSubsReq(t, nil, cretrans) //Retransmitted SubReq
-       mainCtrl.wait_msgcounter_change(t, seqBef, 10)
 
-       // hack as there is no real way to see has message be handled.
-       // Previuos counter check just tells that is has been received by submgr
-       // --> artificial delay
-       <-time.After(1 * time.Second)
-       e2termConn1.SendSubsResp(t, crereq, cremsg)
-       e2SubsId := xappConn1.RecvSubsResp(t, cretrans)
+func TestSubReqAndSubDelOkOutofOrderIEs(t *testing.T) {
+       CaseBegin("TestSubReqAndSubDelOkOutofOrderIEs")
+
+       mainCtrl.c.e2ap.SetE2IEOrderCheck(0)
+       // Init counter check
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cSubReqFromXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cSubRespToXapp, 1},
+               Counter{cSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cSubDelRespToXapp, 1},
+       })
+
+       cretrans := xappConn1.SendSubsReq(t, nil, nil)
+       if cretrans == nil {
+               t.Logf("Could not send SubsReq")
+               t.FailNow()
+       }
+       crereq, cremsg := e2termConn1.RecvSubsReq(t)
+       if crereq == nil || cremsg == nil {
+               t.Logf("Could not recieve SubsReq")
+               t.FailNow()
+       }
+
+       e2termConn1.SendSubsResp(t, crereq, cremsg)
+
+       e2SubsId := xappConn1.RecvSubsResp(t, cretrans)
+       resp, _ := xapp.Subscription.QuerySubscriptions()
+       assert.Equal(t, resp[0].SubscriptionID, int64(e2SubsId))
+       assert.Equal(t, resp[0].Meid, "RAN_NAME_1")
+       assert.Equal(t, resp[0].ClientEndpoint, []string{"localhost:13560"})
+
+       deltrans := xappConn1.SendSubsDelReq(t, nil, e2SubsId)
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+       xappConn1.RecvSubsDelResp(t, deltrans)
+
+       //Wait that subs is cleaned
+       mainCtrl.wait_subs_clean(t, e2SubsId, 10)
+
+       xappConn1.TestMsgChanEmpty(t)
+       xappConn2.TestMsgChanEmpty(t)
+       e2termConn1.TestMsgChanEmpty(t)
+       mainCtrl.wait_registry_empty(t, 10)
+
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.c.e2ap.SetE2IEOrderCheck(1)
+}
+
+//-----------------------------------------------------------------------------
+
+//-----------------------------------------------------------------------------
+// TestSubReqRetransmission
+//
+//   stub                          stub
+// +-------+     +---------+    +---------+
+// | xapp  |     | submgr  |    | e2term  |
+// +-------+     +---------+    +---------+
+//     |              |              |
+//     |  SubReq      |              |
+//     |------------->|              |
+//     |              |              |
+//     |              | SubReq       |
+//     |              |------------->|
+//     |              |              |
+//     |  SubReq      |              |
+//     | (retrans)    |              |
+//     |------------->|              |
+//     |              |              |
+//     |              |      SubResp |
+//     |              |<-------------|
+//     |              |              |
+//     |      SubResp |              |
+//     |<-------------|              |
+//     |              |              |
+//     |         [SUBS DELETE]       |
+//     |              |              |
+//
+//-----------------------------------------------------------------------------
+func TestSubReqRetransmission(t *testing.T) {
+       CaseBegin("TestSubReqRetransmission")
+
+       //Subs Create
+       cretrans := xappConn1.SendSubsReq(t, nil, nil)
+       crereq, cremsg := e2termConn1.RecvSubsReq(t)
+
+       seqBef := mainCtrl.get_msgcounter(t)
+       xappConn1.SendSubsReq(t, nil, cretrans) //Retransmitted SubReq
+       mainCtrl.wait_msgcounter_change(t, seqBef, 10)
+
+       // hack as there is no real way to see has message be handled.
+       // Previuos counter check just tells that is has been received by submgr
+       // --> artificial delay
+       <-time.After(1 * time.Second)
+       e2termConn1.SendSubsResp(t, crereq, cremsg)
+       e2SubsId := xappConn1.RecvSubsResp(t, cretrans)
 
        //Subs Delete
        deltrans := xappConn1.SendSubsDelReq(t, nil, e2SubsId)
@@ -835,6 +1377,7 @@ func TestSubReqRetryInSubmgr(t *testing.T) {
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
                Counter{cSubReqFromXapp, 1},
                Counter{cSubReqToE2, 1},
+               Counter{cSubReqTimerExpiry, 1},
                Counter{cSubReReqToE2, 1},
                Counter{cSubRespFromE2, 1},
                Counter{cSubRespToXapp, 1},
@@ -1021,10 +1564,60 @@ func TestSubReqTwoRetriesNoRespAtAllInSubmgr(t *testing.T) {
 //     |              |      SubFail |
 //     |              |<-------------|
 //     |              |              |
-//     |              | SubDelReq    |
+//     |      SubFail |              |
+//     |<-------------|              |
+//     |              |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestSubReqSubFailRespInSubmgr(t *testing.T) {
+       CaseBegin("TestSubReqSubFailRespInSubmgr start")
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cSubReqFromXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubFailFromE2, 1},
+               Counter{cSubFailToXapp, 1},
+       })
+
+       // Xapp: Send SubsReq
+       cretrans := xappConn1.SendSubsReq(t, nil, nil)
+
+       // E2t: Receive SubsReq and send SubsFail (first)
+       crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
+       fparams1 := &teststube2ap.E2StubSubsFailParams{}
+       fparams1.Set(crereq1)
+       e2termConn1.SendSubsFail(t, fparams1, cremsg1)
+
+       // Xapp: Receive SubsFail
+       e2SubsId := xappConn1.RecvSubsFail(t, cretrans)
+
+       // Wait that subs is cleaned
+       mainCtrl.wait_subs_clean(t, e2SubsId, 10)
+
+       xappConn1.TestMsgChanEmpty(t)
+       xappConn2.TestMsgChanEmpty(t)
+       e2termConn1.TestMsgChanEmpty(t)
+       mainCtrl.wait_registry_empty(t, 10)
+
+       mainCtrl.VerifyCounterValues(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestSubReqSubFailRespInSubmgrOutofOrderIEs
+//
+//   stub                          stub
+// +-------+     +---------+    +---------+
+// | xapp  |     | submgr  |    | e2term  |
+// +-------+     +---------+    +---------+
+//     |              |              |
+//     |  SubReq      |              |
+//     |------------->|              |
+//     |              |              |
+//     |              | SubReq       |
 //     |              |------------->|
 //     |              |              |
-//     |              |   SubDelResp |
+//     |              |      SubFail | (Out of Order IEs)
 //     |              |<-------------|
 //     |              |              |
 //     |      SubFail |              |
@@ -1033,9 +1626,10 @@ func TestSubReqTwoRetriesNoRespAtAllInSubmgr(t *testing.T) {
 //
 //-----------------------------------------------------------------------------
 
-func TestSubReqSubFailRespInSubmgr(t *testing.T) {
-       CaseBegin("TestSubReqSubFailRespInSubmgr start")
+func TestSubReqSubFailRespInSubmgrOutofOrderIEs(t *testing.T) {
+       CaseBegin("TestSubReqSubFailRespInSubmgrOutofOrderIEs start")
 
+       mainCtrl.c.e2ap.SetE2IEOrderCheck(0)
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
                Counter{cSubReqFromXapp, 1},
                Counter{cSubReqToE2, 1},
@@ -1052,10 +1646,6 @@ func TestSubReqSubFailRespInSubmgr(t *testing.T) {
        fparams1.Set(crereq1)
        e2termConn1.SendSubsFail(t, fparams1, cremsg1)
 
-       // E2t: Receive SubsDelReq and send SubsDelResp (internal first)
-       delreq1, delmsg1 := e2termConn1.RecvSubsDelReq(t)
-       e2termConn1.SendSubsDelResp(t, delreq1, delmsg1)
-
        // Xapp: Receive SubsFail
        e2SubsId := xappConn1.RecvSubsFail(t, cretrans)
 
@@ -1068,6 +1658,7 @@ func TestSubReqSubFailRespInSubmgr(t *testing.T) {
        mainCtrl.wait_registry_empty(t, 10)
 
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.c.e2ap.SetE2IEOrderCheck(1)
 }
 
 //-----------------------------------------------------------------------------
@@ -1256,6 +1847,75 @@ func TestSubDelReqSubDelFailRespInSubmgr(t *testing.T) {
        mainCtrl.VerifyCounterValues(t)
 }
 
+//-----------------------------------------------------------------------------
+// TestSubDelReqSubDelFailRespInSubmgrOutofOrderIEs
+//
+//   stub                          stub
+// +-------+     +---------+    +---------+
+// | xapp  |     | submgr  |    | e2term  |
+// +-------+     +---------+    +---------+
+//     |              |              |
+//     |         [SUBS CREATE]       |
+//     |              |              |
+//     |              |              |
+//     |  SubDelReq   |              |
+//     |------------->|              |
+//     |              |              |
+//     |              | SubDelReq    |
+//     |              |------------->|
+//     |              |              |
+//     |              |   SubDelFail | (Out of Order IEs)
+//     |              |<-------------|
+//     |              |              |
+//     |   SubDelResp |              |
+//     |<-------------|              |
+//     |              |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestSubDelReqSubDelFailRespInSubmgrOutofOrderIEs(t *testing.T) {
+       CaseBegin("TestSubReqSubDelFailRespInSubmgr start")
+
+       mainCtrl.c.e2ap.SetE2IEOrderCheck(0)
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cSubReqFromXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cSubRespToXapp, 1},
+               Counter{cSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelFailFromE2, 1},
+               Counter{cSubDelRespToXapp, 1},
+       })
+
+       // Subs Create
+       cretrans := xappConn1.SendSubsReq(t, nil, nil)
+       crereq, cremsg := e2termConn1.RecvSubsReq(t)
+       e2termConn1.SendSubsResp(t, crereq, cremsg)
+       e2SubsId := xappConn1.RecvSubsResp(t, cretrans)
+
+       // Xapp: Send SubsDelReq
+       deltrans := xappConn1.SendSubsDelReq(t, nil, e2SubsId)
+
+       // E2t: Send receive SubsDelReq and send SubsDelFail
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelFail(t, delreq, delmsg)
+
+       // Xapp: Receive SubsDelResp
+       xappConn1.RecvSubsDelResp(t, deltrans)
+
+       // Wait that subs is cleaned
+       mainCtrl.wait_subs_clean(t, e2SubsId, 10)
+
+       xappConn1.TestMsgChanEmpty(t)
+       xappConn2.TestMsgChanEmpty(t)
+       e2termConn1.TestMsgChanEmpty(t)
+       mainCtrl.wait_registry_empty(t, 10)
+
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.c.e2ap.SetE2IEOrderCheck(1)
+}
+
 //-----------------------------------------------------------------------------
 // TestSubReqAndSubDelOkSameAction
 //
@@ -1330,8 +1990,6 @@ func TestSubReqAndSubDelOkSameAction(t *testing.T) {
        rparams2 := &teststube2ap.E2StubSubsReqParams{}
        rparams2.Init()
        cretrans2 := xappConn2.SendSubsReq(t, rparams2, nil)
-       //crereq2, cremsg2 := e2termConn1.RecvSubsReq(t)
-       //e2termConn1.SendSubsResp(t, crereq2, cremsg2)
        e2SubsId2 := xappConn2.RecvSubsResp(t, cretrans2)
 
        resp, _ := xapp.Subscription.QuerySubscriptions()
@@ -1341,11 +1999,7 @@ func TestSubReqAndSubDelOkSameAction(t *testing.T) {
 
        //Del1
        deltrans1 := xappConn1.SendSubsDelReq(t, nil, e2SubsId1)
-       //e2termConn1.RecvSubsDelReq(t)
-       //e2termConn1.SendSubsDelResp(t, delreq1, delmsg1)
        xappConn1.RecvSubsDelResp(t, deltrans1)
-       //Wait that subs is cleaned
-       //mainCtrl.wait_subs_clean(t, e2SubsId1, 10)
 
        //Del2
        deltrans2 := xappConn2.SendSubsDelReq(t, nil, e2SubsId2)
@@ -1467,11 +2121,6 @@ func TestSubReqAndSubDelOkSameActionParallel(t *testing.T) {
 //     |             |              |    SubFail1  |
 //     |             |              |<-------------|
 //     |             |              |              |
-//     |             |              | SubDelReq    |
-//     |             |              |------------->|
-//     |             |              |   SubDelResp |
-//     |             |              |<-------------|
-//     |             |              |              |
 //     |             |    SubFail1  |              |
 //     |             |<-------------|              |
 //     |             |              |              |
@@ -1502,10 +2151,6 @@ func TestSubReqAndSubDelNokSameActionParallel(t *testing.T) {
        fparams1.Set(crereq1)
        e2termConn1.SendSubsFail(t, fparams1, cremsg1)
 
-       // E2t: internal delete
-       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
-       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
-
        //Fail1
        e2SubsId1 := xappConn1.RecvSubsFail(t, cretrans1)
        //Fail2
@@ -1963,9 +2608,6 @@ func TestSubReqRetransmissionWithSameSubIdDiffXid(t *testing.T) {
 func TestSubReqNokAndSubDelOkWithRestartInMiddle(t *testing.T) {
        CaseBegin("TestSubReqNokAndSubDelOkWithRestartInMiddle")
 
-       // Remove possible existing subscrition
-       mainCtrl.removeExistingSubscriptions(t)
-
        mainCtrl.SetResetTestFlag(t, true) // subs.DoNotWaitSubResp will be set TRUE for the subscription
        xappConn1.SendSubsReq(t, nil, nil)
        e2termConn1.RecvSubsReq(t)
@@ -1980,6 +2622,7 @@ func TestSubReqNokAndSubDelOkWithRestartInMiddle(t *testing.T) {
        mainCtrl.SimulateRestart(t)
        xapp.Logger.Debug("mainCtrl.SimulateRestart done")
 
+       // Submgr send delete for uncompleted subscription
        delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
        e2termConn1.SendSubsDelResp(t, delreq, delmsg)
 
@@ -2046,6 +2689,10 @@ func TestSubReqAndSubDelOkWithRestartInMiddle(t *testing.T) {
        mainCtrl.SimulateRestart(t)
        xapp.Logger.Debug("mainCtrl.SimulateRestart done")
 
+       // ReadE2Subscriptions() for testing is running in own go routine (go mainCtrl.c.ReadE2Subscriptions())
+       // That needs to be completed before successful subscription query is possible
+       <-time.After(time.Second * 1)
+
        // Check that subscription is restored correctly after restart
        resp, _ = xapp.Subscription.QuerySubscriptions()
        assert.Equal(t, resp[0].SubscriptionID, int64(e2SubsId))
@@ -2140,7 +2787,7 @@ func TestSubReqAndSubDelOkSameActionWithRestartsInMiddle(t *testing.T) {
        e2SubsId2 := xappConn2.RecvSubsResp(t, cretrans2)
 
        // Check subscription
-       resp, _ := xapp.Subscription.QuerySubscriptions() ////////////////////////////////
+       resp, _ := xapp.Subscription.QuerySubscriptions()
        assert.Equal(t, resp[0].SubscriptionID, int64(e2SubsId1))
        assert.Equal(t, resp[0].Meid, "RAN_NAME_1")
        assert.Equal(t, resp[0].ClientEndpoint, []string{"localhost:13560", "localhost:13660"})
@@ -2148,6 +2795,10 @@ func TestSubReqAndSubDelOkSameActionWithRestartsInMiddle(t *testing.T) {
        mainCtrl.SimulateRestart(t)
        xapp.Logger.Debug("mainCtrl.SimulateRestart done")
 
+       // ReadE2Subscriptions() for testing is running in own go routine (go mainCtrl.c.ReadE2Subscriptions())
+       // That needs to be completed before successful subscription query is possible
+       <-time.After(time.Second * 1)
+
        // Check that subscription is restored correctly after restart
        resp, _ = xapp.Subscription.QuerySubscriptions()
        assert.Equal(t, resp[0].SubscriptionID, int64(e2SubsId1))
@@ -2163,6 +2814,10 @@ func TestSubReqAndSubDelOkSameActionWithRestartsInMiddle(t *testing.T) {
        mainCtrl.SimulateRestart(t)
        xapp.Logger.Debug("mainCtrl.SimulateRestart done")
 
+       // ReadE2Subscriptions() for testing is running in own go routine (go mainCtrl.c.ReadE2Subscriptions())
+       // Submgr need be ready before successful subscription deletion is possible
+       <-time.After(time.Second * 1)
+
        //Del2
        deltrans2 := xappConn2.SendSubsDelReq(t, nil, e2SubsId2)
        delreq2, delmsg2 := e2termConn1.RecvSubsDelReq(t)
@@ -2198,82 +2853,372 @@ func TestSubReqAndSubDelOkSameActionWithRestartsInMiddle(t *testing.T) {
 //     |              |
 func TestGetSubscriptions(t *testing.T) {
 
-       mainCtrl.sendGetRequest(t, "localhost:8088", "/ric/v1/subscriptions")
+       mainCtrl.SendGetRequest(t, "localhost:8088", "/ric/v1/subscriptions")
 }
 
 func TestGetSymptomData(t *testing.T) {
 
-       mainCtrl.sendGetRequest(t, "localhost:8080", "/ric/v1/symptomdata")
+       mainCtrl.SendGetRequest(t, "localhost:8080", "/ric/v1/symptomdata")
 }
 
 func TestPostdeleteSubId(t *testing.T) {
 
-       mainCtrl.sendPostRequest(t, "localhost:8080", "/ric/v1/test/deletesubid=1")
+       mainCtrl.SendPostRequest(t, "localhost:8080", "/ric/v1/test/deletesubid=1")
 }
 
 func TestPostEmptyDb(t *testing.T) {
 
-       mainCtrl.sendPostRequest(t, "localhost:8080", "/ric/v1/test/emptydb")
+       mainCtrl.SendPostRequest(t, "localhost:8080", "/ric/v1/test/emptydb")
+}
+
+func TestGetRestSubscriptions(t *testing.T) {
+
+       mainCtrl.SendGetRequest(t, "localhost:8080", "/ric/v1/restsubscriptions")
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTSubReqAndRouteNok
+// TestDelAllE2nodeSubsViaDebugIf
 //
-//   stub                             stub
-// +-------+        +---------+    +---------+
-// | xapp  |        | submgr  |    | rtmgr   |
-// +-------+        +---------+    +---------+
-//     |                 |              |
-//     | RESTSubReq      |              |
-//     |---------------->|              |
-//     |                 |              |
-//     |     RESTSubResp |              |
-//     |<----------------|              |
-//     |                 | RouteCreate  |
-//     |                 |------------->|
-//     |                 |              |
-//     |                 | RouteCreate  |
-//     |                 |  status:400  |
-//     |                 |(Bad request) |
-//     |                 |<-------------|
-//     |       RESTNotif |              |
-//     |<----------------|              |
-//     |                 |              |
-//     |          [SUBS INT DELETE]     |
-//     |                 |              |
-//     | RESTSubDelReq   |              |
-//     |---------------->|              |
-//     |  RESTSubDelResp |              |
-//     |<----------------|              |
+//   stub                             stub          stub
+// +-------+        +---------+    +---------+   +---------+
+// | xapp  |        | submgr  |    | e2term  |   |  rtmgr  |
+// +-------+        +---------+    +---------+   +---------+
+//     |                 |              |             |
+//     | RESTSubReq      |              |             |
+//     |---------------->|              |             |
+//     |     RESTSubResp |              |             |
+//     |<----------------|              |             |
+//     |                 | RouteCreate  |             |
+//     |                 |--------------------------->|
+//     |                 | RouteResponse|             |
+//     |                 |<---------------------------|
+//     |                 | SubReq       |             |
+//     |                 |------------->|             |
+//     |                 |      SubResp |             |
+//     |                 |<-------------|             |
+//     |      RESTNotif1 |              |             |
+//     |<----------------|              |             |
+//     |                 |              |             |
+//     | REST get_all_e2nodes           |             |
+//     |---------------->|              |             |
+//     |    OK 200       |              |             |
+//     |<----------------|              |             |
+//     | REST delete_all_e2node_subscriptions         | ranName = RAN_NAME_1
+//     |---------------->|              |             |
+//     |    OK 200       |              |             |
+//     |<----------------|              |             |
+//     |                 | SubDelReq    |             |
+//     |                 |------------->|             |
+//     |                 |   SubDelResp |             |
+//     |                 |<-------------|             |
+//     |                 |              |             |
+//     |                 | RouteDelete  |             |
+//     |                 |--------------------------->|
+//     |                 | RouteResponse|             |
+//     |                 |<---------------------------|
 //
 //-----------------------------------------------------------------------------
-func TestRESTSubReqAndRouteNok(t *testing.T) {
-       CaseBegin("TestRESTSubReqAndRouteNok")
 
+func TestDelAllE2nodeSubsViaDebugIf(t *testing.T) {
+
+       // Init counter check
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 1},
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST Policy subscriber request for subscriberId : %v", restSubId)
+
+       crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
+       xappConn1.ExpectRESTNotification(t, restSubId)
+       e2termConn1.SendSubsResp(t, crereq1, cremsg1)
+       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
+       xapp.Logger.Debug("REST notification received e2SubsId=%v", e2SubsId)
+
+       e2nodesJson := mainCtrl.SendGetRequest(t, "localhost:8080", "/ric/v1/get_all_e2nodes")
+
+       var e2nodesList []string
+       err := json.Unmarshal(e2nodesJson, &e2nodesList)
+       if err != nil {
+               t.Errorf("Unmarshal error: %s", err)
+       }
+       assert.Equal(t, true, mainCtrl.VerifyStringExistInSlice("RAN_NAME_1", e2nodesList))
+
+       e2RestSubsJson := mainCtrl.SendGetRequest(t, "localhost:8080", "/ric/v1/get_e2node_rest_subscriptions/RAN_NAME_1") // RAN_NAME_1 = ranName
+       var e2RestSubsMap map[string]RESTSubscription
+       err = json.Unmarshal(e2RestSubsJson, &e2RestSubsMap)
+       if err != nil {
+               t.Errorf("Unmarshal error: %s", err)
+       }
+
+       if len(e2RestSubsMap) != 1 {
+               t.Errorf("Incorrect e2RestSubsMap length %v", len(e2RestSubsMap))
+       }
+
+       // Simulate deletion through REST test and debug interface
+       mainCtrl.SendDeleteRequest(t, "localhost:8080", "/ric/v1/delete_all_e2node_subscriptions/RAN_NAME_1") // RAN_NAME_1 = ranName
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+
+       // Wait that subs is cleaned
+       waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestDelAllxAppSubsViaDebugIf
+//
+//   stub                             stub          stub
+// +-------+        +---------+    +---------+   +---------+
+// | xapp  |        | submgr  |    | e2term  |   |  rtmgr  |
+// +-------+        +---------+    +---------+   +---------+
+//     |                 |              |             |
+//     | RESTSubReq      |              |             |
+//     |---------------->|              |             |
+//     |     RESTSubResp |              |             |
+//     |<----------------|              |             |
+//     |                 | RouteCreate  |             |
+//     |                 |--------------------------->|
+//     |                 | RouteResponse|             |
+//     |                 |<---------------------------|
+//     |                 | SubReq       |             |
+//     |                 |------------->|             |
+//     |                 |      SubResp |             |
+//     |                 |<-------------|             |
+//     |      RESTNotif1 |              |             |
+//     |<----------------|              |             |
+//     |                 |              |             |
+//     | REST get_all_xapps             |             |
+//     |---------------->|              |             |
+//     |    OK 200       |              |             |
+//     |<----------------|              |             |
+//     | REST delete_all_xapp_subscriptions           |  xappServiceName = localhost
+//     |---------------->|              |             |
+//     |    OK 200       |              |             |
+//     |<----------------|              |             |
+//     |                 | SubDelReq    |             |
+//     |                 |------------->|             |
+//     |                 |   SubDelResp |             |
+//     |                 |<-------------|             |
+//     |                 |              |             |
+//     |                 | RouteDelete  |             |
+//     |                 |--------------------------->|
+//     |                 | RouteResponse|             |
+//     |                 |<---------------------------|
+//
+//-----------------------------------------------------------------------------
+
+func TestDelAllxAppSubsViaDebugIf(t *testing.T) {
+
+       // Init counter check
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST Policy subscriber request for subscriberId : %v", restSubId)
+
+       crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
+       xappConn1.ExpectRESTNotification(t, restSubId)
+       e2termConn1.SendSubsResp(t, crereq1, cremsg1)
+       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
+       xapp.Logger.Debug("REST notification received e2SubsId=%v", e2SubsId)
+
+       xappsJson := mainCtrl.SendGetRequest(t, "localhost:8080", "/ric/v1/get_all_xapps")
+
+       var xappList []string
+       err := json.Unmarshal(xappsJson, &xappList)
+       if err != nil {
+               t.Errorf("Unmarshal error: %s", err)
+       }
+       assert.Equal(t, true, mainCtrl.VerifyStringExistInSlice("localhost", xappList))
+
+       // Simulate deletion through REST test and debug interface
+       mainCtrl.SendDeleteRequest(t, "localhost:8080", "/ric/v1/delete_all_xapp_subscriptions/localhost") // localhost = xappServiceName
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+
+       // Wait that subs is cleaned
+       waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestDelViaxAppSubsIf
+//
+//   stub                             stub          stub
+// +-------+        +---------+    +---------+   +---------+
+// | xapp  |        | submgr  |    | e2term  |   |  rtmgr  |
+// +-------+        +---------+    +---------+   +---------+
+//     |                 |              |             |
+//     | RESTSubReq      |              |             |
+//     |---------------->|              |             |
+//     |     RESTSubResp |              |             |
+//     |<----------------|              |             |
+//     |                 | RouteCreate  |             |
+//     |                 |--------------------------->|
+//     |                 | RouteResponse|             |
+//     |                 |<---------------------------|
+//     |                 | SubReq       |             |
+//     |                 |------------->|             |
+//     |                 |      SubResp |             |
+//     |                 |<-------------|             |
+//     |      RESTNotif1 |              |             |
+//     |<----------------|              |             |
+//     |                 |              |             |
+//     | REST get_xapp_rest_restsubscriptions         |
+//     |---------------->|              |             |
+//     |    OK 200       |              |             |
+//     |<----------------|              |             |
+//     | RESTSudDel      |              |             |
+//     |---------------->|              |             | Via user curl command (port 8088)
+//     |     RESTSudDel  |              |             |
+//     |<----------------|              |             |
+//     |                 | SubDelReq    |             |
+//     |                 |------------->|             |
+//     |                 |   SubDelResp |             |
+//     |                 |<-------------|             |
+//     |                 |              |             |
+//     |                 | RouteDelete  |             |
+//     |                 |--------------------------->|
+//     |                 | RouteResponse|             |
+//     |                 |<---------------------------|
+//
+//-----------------------------------------------------------------------------
+
+func TestDelViaxAppSubsIf(t *testing.T) {
+
+       // Init counter check
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST Policy subscriber request for subscriberId : %v", restSubId)
+
+       crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
+       xappConn1.ExpectRESTNotification(t, restSubId)
+       e2termConn1.SendSubsResp(t, crereq1, cremsg1)
+       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
+       xapp.Logger.Debug("REST notification received e2SubsId=%v", e2SubsId)
+
+       restSubsListJson := mainCtrl.SendGetRequest(t, "localhost:8080", "/ric/v1/get_xapp_rest_restsubscriptions/localhost") // localhost = xappServiceName
+
+       var restSubsMap map[string]RESTSubscription
+       err := json.Unmarshal(restSubsListJson, &restSubsMap)
+       if err != nil {
+               t.Errorf("Unmarshal error: %s", err)
+       }
+       _, ok := restSubsMap[restSubId]
+       if !ok {
+               t.Errorf("REST subscription not found. restSubId=%s", restSubId)
+       }
+
+       var e2Subscriptions []Subscription
+       e2SubscriptionsJson := mainCtrl.SendGetRequest(t, "localhost:8080", "/ric/v1/get_e2subscriptions/"+restSubId)
+       err = json.Unmarshal(e2SubscriptionsJson, &e2Subscriptions)
+       if err != nil {
+               t.Errorf("Unmarshal error: %s", err)
+       }
+       if len(e2Subscriptions) != 1 {
+               t.Errorf("Incorrect e2Subscriptions length %v", len(e2Subscriptions))
+       }
+
+       // Simulate deletion through xapp REST test interface
+       mainCtrl.SendDeleteRequest(t, "localhost:8088", "/ric/v1/subscriptions/"+restSubId)
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+
+       // Wait that subs is cleaned
+       waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqAndRouteNok
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | rtmgr   |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 | RouteCreate  |
+//     |                 |------------->|
+//     |                 | RouteCreate  |
+//     |                 |  status:400  |
+//     |                 |(Bad request) |
+//     |                 |<-------------|
+//     |       RESTNotif |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |          [SUBS INT DELETE]     |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |  RESTSubDelResp |              |
+//     |<----------------|              |
+//
+//-----------------------------------------------------------------------------
+func TestRESTSubReqAndRouteNok(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
                Counter{cRouteCreateFail, 1},
-               Counter{cSubRespToXapp, 1},
-               Counter{cSubDelReqFromXapp, 1},
-               Counter{cSubDelRespToXapp, 1},
+               Counter{cRestSubFailNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
        const subReqCount int = 1
-       const parameterSet = 1
-       const actionDefinitionPresent bool = true
-       const actionParamCount int = 1
+
        // Add delay for rtmgt HTTP handling so that HTTP response is received before notify on XAPP side
        waiter := rtmgrHttp.AllocNextSleep(50, false)
        newSubsId := mainCtrl.get_registry_next_subid(t)
 
        // Req
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
        restSubId := xappConn1.SendRESTSubsReq(t, params)
-       xappConn1.ExpectRESTNotification(t, restSubId)
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "failAll")
        waiter.WaitResult(t)
 
        e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
-       xapp.Logger.Info("TEST: REST notification received e2SubsId=%v", e2SubsId)
+       xapp.Logger.Debug("TEST: REST notification received e2SubsId=%v", e2SubsId)
 
        // Del
        xappConn1.SendRESTSubsDelReq(t, &restSubId)
@@ -2282,27 +3227,76 @@ func TestRESTSubReqAndRouteNok(t *testing.T) {
        mainCtrl.wait_subs_clean(t, newSubsId, 10)
        waitSubsCleanup(t, e2SubsId, 10)
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
+//-----------------------------------------------------------------------------
+// TestRESTSubReqAndRouteUpdateNok
+//
+//   stub        stub                         stub           stub
+// +-------+   +-------+    +---------+    +---------+    +---------+
+// | xapp1 |   | xapp2 |    | submgr  |    | rtmgr   |    | e2term  |
+// +-------+   +-------+    +---------+    +---------+    +---------+
+//     |           |             |              |              |
+//     | RESTSubReq1             |              |              |
+//     |------------------------>|              |              |
+//     |     RESTSubResp2        |              |              |
+//     |<------------------------|              |              |
+//     |           |             |              |              |
+//     |           |             | RouteCreate  |              |
+//     |           |             |------------->|              |
+//     |           |             | CreateResp   |              |
+//     |           |             |<-------------|              |
+//     |           |             | SubReq       |              |
+//     |           |             |---------------------------->|
+//     |           |             |      SubResp |              |
+//     |           |             |<----------------------------|
+//     |      RESTNotif1         |              |              |
+//     |<------------------------|              |              |
+//     |           |             |              |              |
+//     |           | RESTSubReq2 |              |              |
+//     |           |------------>|              |              |
+//     |           | RESTSubResp2|              |              |
+//     |           |<------------|              |              |
+//     |           |             | RouteUpdate  |              |
+//     |           |             |------------->|              |
+//     |           |             | RouteUpdate  |              |
+//     |           |             |  status:400  |              |
+//     |           |             |(Bad request) |              |
+//     |           |             |<-------------|              |
+//     |           | RESTNotif2(unsuccessful)   |              |
+//     |           |<------------|              |              |
+//     |           |             |              |              |
+//     |          [SUBS INT DELETE]             |              |
+//     |           |             |              |              |
+//     | RESTSubDelReq1          |              |              |
+//     |------------------------>|              |              |
+//     |  RESTSubDelResp1        |              |              |
+//     |<------------------------|              |              |
+//     |           |             |              |              |
+//     |           |             |        [SUBS DELETE]        |
+//
+//-----------------------------------------------------------------------------
 func TestRESTSubReqAndRouteUpdateNok(t *testing.T) {
-       CaseBegin("TestSubReqAndRouteUpdateNok")
 
        //Init counter check
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 2},
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
                Counter{cSubReqToE2, 1},
                Counter{cSubRespFromE2, 1},
-               Counter{cSubRespToXapp, 2},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubFailNotifToXapp, 1},
                Counter{cRouteCreateUpdateFail, 1},
-               Counter{cSubDelReqFromXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 2},
                Counter{cSubDelReqToE2, 1},
                Counter{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 1},
+               Counter{cRestSubDelRespToXapp, 2},
        })
 
        var params *teststube2ap.RESTSubsReqParams = nil
 
-       //Subs Create
+       // Subs create for xapp1
        restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
 
        queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
@@ -2310,40 +3304,79 @@ func TestRESTSubReqAndRouteUpdateNok(t *testing.T) {
        // xapp2 ROUTE creation shall fail with  400 from rtmgr -> submgr
        waiter := rtmgrHttp.AllocNextEvent(false)
        newSubsId := mainCtrl.get_registry_next_subid(t)
-       params = xappConn2.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
+       params = xappConn2.GetRESTSubsReqReportParams(subReqCount)
        params.SetMeid("RAN_NAME_1")
        restSubId2 := xappConn2.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST subscriber request for second subscriber : %v", restSubId2)
-       xappConn2.ExpectRESTNotification(t, restSubId2)
+       xapp.Logger.Debug("Send REST subscriber request for second subscriber : %v", restSubId2)
+       xappConn2.ExpectRESTNotificationNok(t, restSubId2, "allFail")
        waiter.WaitResult(t)
-       // e2SubsId2 := xappConn2.WaitRESTNotification(t, restSubId2) - TOD: missing delete
        xappConn2.WaitRESTNotification(t, restSubId2)
 
        queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
 
        deleteSubscription(t, xappConn1, e2termConn1, &restSubId)
+       xappConn2.SendRESTSubsDelReq(t, &restSubId2)
 
        mainCtrl.wait_subs_clean(t, newSubsId, 10)
        //Wait that subs is cleaned
        waitSubsCleanup(t, e2SubsId, 10)
 
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
+//-----------------------------------------------------------------------------
+// TestRESTSubDelReqAndRouteDeleteNok
+//
+//   stub                             stub           stub
+// +-------+        +---------+    +---------+    +---------+
+// | xapp  |        | submgr  |    | rtmgr   |    | e2term  |
+// +-------+        +---------+    +---------+    +---------+
+//     |                 |              |              |
+//     | RESTSubReq      |              |              |
+//     |---------------->|              |              |
+//     |                 |              |              |
+//     |     RESTSubResp |              |              |
+//     |<----------------|              |              |
+//     |                 | SubReq       |              |
+//     |                 |---------------------------->|
+//     |                 | SubResp      |              |
+//     |                 |<----------------------------|
+//     |       RESTNotif |              |              |
+//     |<----------------|              |              |
+//     |                 |              |              |
+//     |                 |              |              |
+//     | RESTSubDelReq   |              |              |
+//     |---------------->|              |              |
+//     |  RESTSubDelResp |              |              |
+//     |<----------------|              |              |
+//     |                 | SubSelReq    |              |
+//     |                 |---------------------------->|
+//     |                 | SubSelResp   |              |
+//     |                 |<----------------------------|
+//     |                 | RouteDelete  |              |
+//     |                 |------------->|              |
+//     |                 | Routedelete  |              |
+//     |                 |  status:400  |              |
+//     |                 |(Bad request) |              |
+//     |                 |<-------------|              |
+//
+//-----------------------------------------------------------------------------
+
 func TestRESTSubDelReqAndRouteDeleteNok(t *testing.T) {
-       CaseBegin("TestRESTSubDelReqAndRouteDeleteNok")
 
        // Init counter check
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 1},
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
                Counter{cSubReqToE2, 1},
                Counter{cSubRespFromE2, 1},
-               Counter{cSubRespToXapp, 1},
-               Counter{cSubDelReqFromXapp, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
                Counter{cRouteDeleteFail, 1},
                Counter{cSubDelReqToE2, 1},
                Counter{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
        var params *teststube2ap.RESTSubsReqParams = nil
@@ -2360,23 +3393,96 @@ func TestRESTSubDelReqAndRouteDeleteNok(t *testing.T) {
        waiter.WaitResult(t)
 
        waitSubsCleanup(t, e2SubsId, 10)
-
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
+//-----------------------------------------------------------------------------
+// TestRESTSubMergeDelAndRouteUpdateNok
+//
+//   stub        stub                         stub           stub
+// +-------+   +-------+    +---------+    +---------+    +---------+
+// | xapp1 |   | xapp2 |    | submgr  |    | rtmgr   |    | e2term  |
+// +-------+   +-------+    +---------+    +---------+    +---------+
+//     |           |             |              |              |
+//     | RESTSubReq1             |              |              |
+//     |------------------------>|              |              |
+//     |     RESTSubResp2        |              |              |
+//     |<------------------------|              |              |
+//     |           |             |              |              |
+//     |           |             | RouteCreate  |              |
+//     |           |             |------------->|              |
+//     |           |             | CreateResp   |              |
+//     |           |             |<-------------|              |
+//     |           |             | SubReq       |              |
+//     |           |             |---------------------------->|
+//     |           |             |      SubResp |              |
+//     |           |             |<----------------------------|
+//     |      RESTNotif1         |              |              |
+//     |<------------------------|              |              |
+//     |           |             |              |              |
+//     |           | RESTSubReq2 |              |              |
+//     |           |------------>|              |              |
+//     |           | RESTSubResp2|              |              |
+//     |           |<------------|              |              |
+//     |           |             | RouteCreate  |              |
+//     |           |             |------------->|              |
+//     |           |             | CreateResp   |              |
+//     |           |             |<-------------|              |
+//     |           |             | SubReq       |              |
+//     |           |             |---------------------------->|
+//     |           |             |      SubResp |              |
+//     |           |             |<----------------------------|
+//     |           | RESTNotif2  |              |              |
+//     |           |<------------|              |              |
+//     |           |             |              |              |
+//     |          [SUBS INT DELETE]             |              |
+//     |           |             |              |              |
+//     | RESTSubDelReq1          |              |              |
+//     |------------------------>|              |              |
+//     |  RESTSubDelResp1        |              |              |
+//     |<------------------------|              |              |
+//     |           |             | SubDelReq    |              |
+//     |           |             |---------------------------->|
+//     |           |             | SubDelResp   |              |
+//     |           |             |<----------------------------|
+//     |           |             | RouteUpdate  |              |
+//     |           |             |------------->|              |
+//     |           |             | RouteUpdate  |              |
+//     |           |             |  status:400  |              |
+//     |           |             |(Bad request) |              |
+//     |           |             |<-------------|              |
+//     |           |             |              |              |
+//     |           | RESTSubDelReq2             |              |
+//     |           |------------>|              |              |
+//     |           | RESTSubDelResp2            |              |
+//     |           |<------------|              |              |
+//     |           |             | SubDelReq    |              |
+//     |           |             |---------------------------->|
+//     |           |             | SubdelResp   |              |
+//     |           |             |<----------------------------|
+//     |           |             | RouteDelete  |              |
+//     |           |             |------------->|              |
+//     |           |             | Deleteresp   |              |
+//     |           |             |<-------------|              |
+
+//-----------------------------------------------------------------------------
+
 func TestRESTSubMergeDelAndRouteUpdateNok(t *testing.T) {
-       CaseBegin("TestRESTSubMergeDelAndRouteUpdateNok")
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 2},
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cMergedSubscriptions, 1},
+               Counter{cRestSubRespToXapp, 2},
                Counter{cSubReqToE2, 1},
                Counter{cSubRespFromE2, 1},
-               Counter{cSubRespToXapp, 2},
-               Counter{cSubDelReqFromXapp, 2},
+               Counter{cRestSubNotifToXapp, 2},
+               Counter{cRestSubDelReqFromXapp, 2},
                Counter{cRouteDeleteUpdateFail, 1},
                Counter{cSubDelReqToE2, 1},
                Counter{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 2},
+               Counter{cRestSubDelRespToXapp, 2},
+               Counter{cUnmergedSubscriptions, 1},
        })
 
        var params *teststube2ap.RESTSubsReqParams = nil
@@ -2400,8 +3506,8 @@ func TestRESTSubMergeDelAndRouteUpdateNok(t *testing.T) {
        deleteXapp2Subscription(t, &restSubId2)
 
        waitSubsCleanup(t, e2SubsId2, 10)
-
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
@@ -2423,19 +3529,13 @@ func TestRESTSubMergeDelAndRouteUpdateNok(t *testing.T) {
 //     | RESTSubReq2     |              |
 //     | (retrans)       |              |
 //     |---------------->|              |
-//     |                 |              |
-//     |                 | SubReq2      |
-//     |                 |------------->|
-//     |    RESTSubResp2 |              |
+//     | RESTSubResp(201)|              |
 //     |<----------------|              |
+//     |                 |              |
 //     |                 |     SubResp1 |
 //     |                 |<-------------|
 //     |      RESTNotif1 |              |
 //     |<----------------|              |
-//     |                 |     SubResp1 |
-//     |                 |<-------------|
-//     |      RESTNotif2 |              |
-//     |<----------------|              |
 //     |                 |              |
 //     |            [SUBS DELETE]       |
 //     |                 |              |
@@ -2443,315 +3543,603 @@ func TestRESTSubMergeDelAndRouteUpdateNok(t *testing.T) {
 //-----------------------------------------------------------------------------
 
 func TestRESTSubReqRetransmission(t *testing.T) {
-       CaseBegin("TestRESTSubReqRetransmission")
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 2},
-               Counter{cSubReqToE2, 2},
-               Counter{cSubRespFromE2, 2},
-               Counter{cSubRespToXapp, 2},
-               Counter{cSubDelReqFromXapp, 2},
-               Counter{cSubDelReqToE2, 2},
-               Counter{cSubDelRespFromE2, 2},
-               Counter{cSubDelRespToXapp, 2},
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
-       // Retry/duplicate will get the same way as the first request.  Submgr cannot detect duplicate RESTRequests
+       // Retry/duplicate will get the same way as the first request.
        // Contianed duplicate messages from same xapp will not be merged. Here we use xappConn2 to simulate sending
        // second request from same xapp as doing it from xappConn1 would not work as notification would not be received
 
        // Subs Create
        const subReqCount int = 1
-       const parameterSet = 1
-       const actionDefinitionPresent bool = true
-       const actionParamCount int = 1
 
-       // In order to force both XAPP's to create their own subscriptions, force rtmgr to block a while so that 2nd create
-       // gets into execution before the rtmgrg responds for the first one.
-       waiter := rtmgrHttp.AllocNextSleep(10, true)
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       restSubId1 := xappConn1.SendRESTSubsReq(t, params)
-       restSubId2 := xappConn2.SendRESTSubsReq(t, params)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
 
-       waiter.WaitResult(t)
+       xappConn1.SendRESTSubsReq(t, params)
+       <-time.After(time.Second * 1)
 
-       xappConn1.WaitListedRestNotifications(t, []string{restSubId1, restSubId2})
+       xappConn1.WaitListedRestNotifications(t, []string{restSubId})
 
        // Depending one goroutine scheduling order, we cannot say for sure which xapp reaches e2term first. Thus
-       // the order is not significant he6re.
+       // the order is not significant here.
        crereq, cremsg := e2termConn1.RecvSubsReq(t)
        e2termConn1.SendSubsResp(t, crereq, cremsg)
-       crereq, cremsg = e2termConn1.RecvSubsReq(t)
-       e2termConn1.SendSubsResp(t, crereq, cremsg)
 
-       e2SubsIdA := <-xappConn1.ListedRESTNotifications
-       xapp.Logger.Info("TEST: 1.st XAPP notification received e2SubsId=%v", e2SubsIdA)
-       e2SubsIdB := <-xappConn1.ListedRESTNotifications
-       xapp.Logger.Info("TEST: 2.nd XAPP notification received e2SubsId=%v", e2SubsIdB)
+       e2SubsId := <-xappConn1.ListedRESTNotifications
+
+       xapp.Logger.Debug("TEST: XAPP notification received e2SubsId=%v", e2SubsId)
 
        // Del1
-       xappConn1.SendRESTSubsDelReq(t, &restSubId1)
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
        delreq1, delmsg1 := e2termConn1.RecvSubsDelReq(t)
        e2termConn1.SendSubsDelResp(t, delreq1, delmsg1)
 
-       // Del2
-       xappConn2.SendRESTSubsDelReq(t, &restSubId2)
-       delreq2, delmsg2 := e2termConn1.RecvSubsDelReq(t)
-       e2termConn1.SendSubsDelResp(t, delreq2, delmsg2)
-
-       mainCtrl.wait_multi_subs_clean(t, []uint32{e2SubsIdA.E2SubsId, e2SubsIdB.E2SubsId}, 10)
-
-       waitSubsCleanup(t, e2SubsIdB.E2SubsId, 10)
+       mainCtrl.wait_multi_subs_clean(t, []uint32{e2SubsId.E2SubsId}, 10)
 
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
-func TestRESTSubDelReqRetransmission(t *testing.T) {
-       CaseBegin("TestRESTSubDelReqRetransmission")
+//-----------------------------------------------------------------------------
+//   stub                             stub          stub
+// +-------+        +---------+    +---------+   +---------+
+// | xapp  |        | submgr  |    | e2term  |   |  rtmgr  |
+// +-------+        +---------+    +---------+   +---------+
+//     |                 |              |             |
+//     | RESTSubReq      |              |             |
+//     |---------------->|              |             |
+//     |     RESTSubResp |              |             |
+//     |<----------------|              |             |
+//     |                 | RouteCreate  |             |
+//     |                 |--------------------------->|
+//     |                 | RouteResponse|             |
+//     |                 |<---------------------------|  // The order of these events may vary
+//     |                 | SubReq       |             |
+//     |                 |------------->|             |  // The order of these events may vary
+//     |                 |      SubResp |             |
+//     |                 |<-------------|             |
+//     |      RESTNotif1 |              |             |
+//     |<----------------|              |             |
+//     | RESTSubReq      |              |             |
+//     | [RETRANS1]      |              |             |
+//     |---------------->|              |             |
+//     |      RESTNotif1 |              |             |
+//     |<----------------|              |             |
+//     | RESTSubReq      |              |             |
+//     | [RETRANS2]      |              |             |
+//     |---------------->|              |             |
+//     |      RESTNotif1 |              |             |
+//     |<----------------|              |             |
+//     | RESTSubDelReq   |              |             |
+//     |---------------->|              |             |
+//     |                 | SubDelReq    |             |
+//     |                 |------------->|             |
+//     |   RESTSubDelResp|              |             |
+//     |<----------------|              |             |
+//     |                 |   SubDelResp |             |
+//     |                 |<-------------|             |
+//     |                 |              |             |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqRetransmissionV2(t *testing.T) {
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 1},
+               Counter{cRestSubReqFromXapp, 3},
+               Counter{cDuplicateE2SubReq, 2},
+               Counter{cRestSubRespToXapp, 3},
                Counter{cSubReqToE2, 1},
                Counter{cSubRespFromE2, 1},
-               Counter{cSubRespToXapp, 1},
-               Counter{cSubDelReqFromXapp, 2},
+               Counter{cRestSubNotifToXapp, 3},
+               Counter{cRestSubDelReqFromXapp, 1},
                Counter{cSubDelReqToE2, 1},
                Counter{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
-       var params *teststube2ap.RESTSubsReqParams = nil
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
 
-       //Subs Create
        restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
 
        queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
 
-       //Subs Delete
-       xappConn1.SendRESTSubsDelReq(t, &restSubId)
-       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       mainCtrl.WaitOngoingRequestMapEmpty()
 
-       seqBef := mainCtrl.get_msgcounter(t)
-       xappConn1.SendRESTSubsDelReq(t, &restSubId)
-       mainCtrl.wait_msgcounter_change(t, seqBef, 10)
+       //1.st resend
+       restSubId_resend := xappConn1.SendRESTSubsReq(t, params)
 
-       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+       assert.Equal(t, restSubId_resend, restSubId)
 
-       waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.WaitOngoingRequestMapEmpty()
+
+       //2.nd resend
+       restSubId_resend2 := xappConn1.SendRESTSubsReq(t, params)
 
+       assert.Equal(t, restSubId_resend2, restSubId)
+
+       mainCtrl.WaitOngoingRequestMapEmpty()
+
+       deleteSubscription(t, xappConn1, e2termConn1, &restSubId)
+
+       waitSubsCleanup(t, e2SubsId, 10)
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTSubReqDelReq
-//
-//   stub                             stub
-// +-------+        +---------+    +---------+
-// | xapp  |        | submgr  |    | e2term  |
-// +-------+        +---------+    +---------+
-//     |                 |              |
-//     | RESTSubReq      |              |
-//     |---------------->|              |
-//     |                 |              |
-//     |     RESTSubResp |              |
-//     |<----------------|              |
-//     |                 | SubReq       |
-//     |                 |------------->|
-//     | RESTSubDelReq   |              |
-//     |---------------->|              |
-//     |  RESTSubDelResp |              |
-//     |     unsuccess   |              |
-//     |<----------------|              |
-//     |                 |      SubResp |
-//     |                 |<-------------|
-//     |      RESTNotif1 |              |
-//     |<----------------|              |
-//     |                 |              |
-//     |            [SUBS DELETE]       |
-//     |                 |              |
+//   stub                             stub          stub
+// +-------+        +---------+    +---------+   +---------+
+// | xapp  |        | submgr  |    | e2term  |   |  rtmgr  |
+// +-------+        +---------+    +---------+   +---------+
+//     |                 |              |             |
+//     | RESTSubReq      |              |             |
+//     |---------------->|              |             |
+//     |     RESTSubResp |              |             |
+//     |<----------------|              |             |
+//     |                 | RouteCreate  |             |
+//     |                 |--------------------------->|
+//     |                 | RouteResponse|             |
+//     |                 |<---------------------------|  // The order of these events may vary
+//     |                 | SubReq       |             |
+//     |                 |------------->|             |  // The order of these events may vary
+//     |                 |      SubResp |             |
+//     |                 |<-------------|             |
+//     |      RESTNotif1 |              |             |
+//     |<----------------|              |             |
+//     | RESTSubReq      |              |             |
+//     | [RETRANS, with RESTsubsId]     |             |
+//     |---------------->|              |             |
+//     |      RESTNotif1 |              |             |
+//     |<----------------|              |             |
+//     | RESTSubReq      |              |             |
+//     | [RETRANS, without RESTsubsId]  |             |
+//     |---------------->|              |             |
+//     |      RESTNotif1 |              |             |
+//     |<----------------|              |             |
+//     | RESTSubDelReq   |              |             |
+//     |---------------->|              |             |
+//     |                 | SubDelReq    |             |
+//     |                 |------------->|             |
+//     |   RESTSubDelResp|              |             |
+//     |<----------------|              |             |
+//     |                 |   SubDelResp |             |
+//     |                 |<-------------|             |
+//     |                 |              |             |
 //
 //-----------------------------------------------------------------------------
-func TestRESTSubReqDelReq(t *testing.T) {
-       CaseBegin("TestRESTSubReqDelReq")
+func TestRESTSubReqRetransmissionV3(t *testing.T) {
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 1},
+               Counter{cRestSubReqFromXapp, 3},
+               Counter{cDuplicateE2SubReq, 2},
+               Counter{cRestSubRespToXapp, 3},
                Counter{cSubReqToE2, 1},
                Counter{cSubRespFromE2, 1},
-               Counter{cSubRespToXapp, 1},
-               Counter{cSubDelReqFromXapp, 2},
+               Counter{cRestSubNotifToXapp, 3},
+               Counter{cRestSubDelReqFromXapp, 1},
                Counter{cSubDelReqToE2, 1},
                Counter{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
-       const subReqCount int = 1
-       const parameterSet = 1
-       const actionDefinitionPresent bool = true
-       const actionParamCount int = 1
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
 
-       // Req
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
 
-       // Del. This will fail as processing of the subscription
-       // is still ongoing in submgr. Deletion is not allowed before
-       // subscription creation has been completed.
-       xappConn1.SendRESTSubsDelReq(t, &restSubId)
-       crereq, cremsg := e2termConn1.RecvSubsReq(t)
-       xappConn1.ExpectRESTNotification(t, restSubId)
-       e2termConn1.SendSubsResp(t, crereq, cremsg)
-       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
+       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
 
-       // Retry del
-       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       mainCtrl.WaitOngoingRequestMapEmpty()
 
-       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
-       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+       //1.st resend with subscription ID
+       params.SetSubscriptionID(&restSubId)
+       restSubId_resend := xappConn1.SendRESTSubsReq(t, params)
+
+       assert.Equal(t, restSubId_resend, restSubId)
+
+       mainCtrl.WaitOngoingRequestMapEmpty()
+
+       //2.nd resend without subscription ID (faking app restart)
+       params = xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId_resend2 := xappConn1.SendRESTSubsReq(t, params)
+
+       assert.Equal(t, restSubId_resend2, restSubId)
+
+       mainCtrl.WaitOngoingRequestMapEmpty()
+
+       deleteSubscription(t, xappConn1, e2termConn1, &restSubId)
 
-       // Wait that subs is cleaned
        waitSubsCleanup(t, e2SubsId, 10)
        mainCtrl.VerifyCounterValues(t)
-
+       mainCtrl.VerifyAllClean(t)
 }
 
-func TestRESTSubDelReqCollision(t *testing.T) {
-       CaseBegin("TestRESTSubDelReqCollision - not relevant for REST API")
-}
+//-----------------------------------------------------------------------------
+//   stub                             stub          stub
+// +-------+        +---------+    +---------+   +---------+
+// | xapp  |        | submgr  |    | e2term  |   |  rtmgr  |
+// +-------+        +---------+    +---------+   +---------+
+//     |                 |              |             |
+//     | RESTSubReq      |              |             |
+//     |---------------->|              |             |
+//     |     RESTSubResp |              |             |
+//     |<----------------|              |             |
+//     |                 | RouteCreate  |             |
+//     |                 |--------------------------->|
+//     |                 | RouteResponse|             |
+//     |                 |<---------------------------|
+//     |                 | SubReq       |             |
+//     |                 |------------->|             |
+//     |                 |      SubResp |             |
+//     |                 |<-------------|             |
+//     |      RESTNotif1 |              |             |
+//     |<----------------|              |             |
+//     | RESTSubReq      |              |             |
+//     | [with RestSUbsId + one additional e2 subDetail]
+//     |---------------->|              |             |
+//     |      RESTNotif1 |              |             |
+//     | [for initial e2 subDetail]     |             |
+//     |<----------------|              |             |
+//     |                 | RouteCreate  |             |
+//     |                 |--------------------------->|
+//     |                 | RouteResponse|             |
+//     |                 |<---------------------------|
+//     |                 | SubReq       |             |
+//     |                 |------------->|             |
+//     |                 |      SubResp |             |
+//     |                 |<-------------|             |
+//     |      RESTNotif1 |              |             |
+//     |<----------------|              |             |
+//     | RESTSubReq      |              |             |
+//     | [with RESTsubsId initial request]            |
+//     |---------------->|              |             |
+//     |      RESTNotif1 |              |             |
+//     |<----------------|              |             |
+//     | RESTSubDelReq   |              |             |
+//     |---------------->|              |             |
+//     |   RESTSubDelResp|              |             |
+//     |<----------------|              |             |
+//     |                 | SubDelReq    |             |
+//     |                 |------------->|             |
+//     |                 |   SubDelResp |             |
+//     |                 |<-------------|             |
+//     |                 | SubDelReq    |             |
+//     |                 |------------->|             |
+//     |                 |   SubDelResp |             |
+//     |                 |<-------------|             |
+//     |                 |              |             |
+//
+//-----------------------------------------------------------------------------
 
-func TestRESTSubReqAndSubDelOkTwoParallel(t *testing.T) {
-       CaseBegin("TestRESTSubReqAndSubDelOkTwoParallel")
+func TestRESTSubReqRetransmissionV4(t *testing.T) {
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 2},
+               Counter{cRestSubReqFromXapp, 3},
+               Counter{cDuplicateE2SubReq, 2},
+               Counter{cRestSubRespToXapp, 3},
                Counter{cSubReqToE2, 2},
                Counter{cSubRespFromE2, 2},
-               Counter{cSubRespToXapp, 2},
-               Counter{cSubDelReqFromXapp, 2},
+               Counter{cRestSubNotifToXapp, 4},
+               Counter{cRestSubDelReqFromXapp, 1},
                Counter{cSubDelReqToE2, 2},
                Counter{cSubDelRespFromE2, 2},
-               Counter{cSubDelRespToXapp, 2},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
-       //Req1
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       restSubId1 := xappConn1.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send 1st REST subscriber request for subscriberId : %v", restSubId1)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
 
-       //Req2
-       params = xappConn2.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       restSubId2 := xappConn2.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send 2nd REST subscriber request for subscriberId : %v", restSubId2)
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
 
-       crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
-       crereq2, cremsg2 := e2termConn1.RecvSubsReq(t)
+       mainCtrl.WaitOngoingRequestMapEmpty()
 
-       //XappConn1 receives both of the  responses
-       xappConn1.WaitListedRestNotifications(t, []string{restSubId1, restSubId2})
+       // Send modified  requst, this time with e2 subscriptions.
+       params2 := xappConn1.GetRESTSubsReqReportParams(subReqCount + 1)
+       params2.SetSubscriptionID(&restSubId)
 
-       //Resp1
-       e2termConn1.SendSubsResp(t, crereq1, cremsg1)
-       //Resp2
+       xapp.Subscription.SetResponseCB(xappConn1.SubscriptionRespHandler)
+       xappConn1.ExpectAnyNotification(t)
+       // Resend the original request with an additional e2 subscription (detail), this time with restsubsid
+       restSubId_resend := xappConn1.SendRESTSubsReq(t, params2)
+       e2SubsId1 := xappConn1.WaitAnyRESTNotification(t)
+       assert.Equal(t, e2SubsId, e2SubsId1)
+
+       crereq2, cremsg2 := e2termConn1.RecvSubsReq(t)
+
+       xappConn1.DecrementRequestCount()
+       xappConn1.ExpectRESTNotification(t, restSubId_resend)
        e2termConn1.SendSubsResp(t, crereq2, cremsg2)
+       e2SubsId2 := xappConn1.WaitRESTNotification(t, restSubId_resend)
+       assert.NotEqual(t, e2SubsId2, 0)
 
-       e2SubsIdA := <-xappConn1.ListedRESTNotifications
-       xapp.Logger.Info("TEST: 1.st XAPP notification received e2SubsId=%v", e2SubsIdA)
-       e2SubsIdB := <-xappConn1.ListedRESTNotifications
-       xapp.Logger.Info("TEST: 2.nd XAPP notification received e2SubsId=%v", e2SubsIdB)
+       mainCtrl.WaitOngoingRequestMapEmpty()
 
-       //Del1
-       deleteSubscription(t, xappConn1, e2termConn1, &restSubId1)
-       //Del2
-       deleteSubscription(t, xappConn2, e2termConn1, &restSubId2)
+       xapp.Subscription.SetResponseCB(xappConn1.SubscriptionRespHandler)
+       params = xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       params.SetSubscriptionID(&restSubId)
+       xappConn1.ExpectAnyNotification(t)
+       // Resend the original request again with only one e2 subscription (detail), this time with restsubsid
+       restSubId_resend2 := xappConn1.SendRESTSubsReq(t, params)
+       assert.Equal(t, restSubId_resend, restSubId_resend2)
 
-       //Wait that subs is cleaned
-       mainCtrl.wait_subs_clean(t, e2SubsIdA.E2SubsId, 10)
-       waitSubsCleanup(t, e2SubsIdB.E2SubsId, 10)
+       e2SubsId1 = xappConn1.WaitAnyRESTNotification(t)
+       assert.Equal(t, e2SubsId, e2SubsId1)
 
-       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.WaitOngoingRequestMapEmpty()
 
+       // Delete both e2 subscriptions
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       e2SubsIds := []uint32{e2SubsId, e2SubsId2}
+       sendAndReceiveMultipleE2DelReqs(t, e2SubsIds, e2termConn1)
+
+       waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
-func TestRESTSameSubsDiffRan(t *testing.T) {
-       CaseBegin("TestRESTSameSubsDiffRan")
+//-----------------------------------------------------------------------------
+//   stub                             stub          stub
+// +-------+        +---------+    +---------+   +---------+
+// | xapp  |        | submgr  |    | e2term  |   |  rtmgr  |
+// +-------+        +---------+    +---------+   +---------+
+//     |                 |              |             |
+//     | RESTSubReq      |              |             |
+//     |---------------->|              |             |
+//     |     RESTSubResp |              |             |
+//     |<----------------|              |             |
+//     |                 | RouteCreate  |             |
+//     |                 |--------------------------->|
+//     |                 | RouteResponse|             |
+//     |                 |<---------------------------|
+//     |                 | SubReq       |             |
+//     |                 |------------->|             |
+//     |                 |      SubResp |             |
+//     |                 |<-------------|             |
+//     |      RESTNotif1 |              |             |
+//     |<----------------|              |             |
+//     | RESTSubReq      |              |             |
+//     | [with RestSUbsId + one additional e2 subDetail]
+//     |---------------->|              |             |
+//     |      RESTNotif1 |              |             |
+//     | [for initial e2 subDetail]     |             |
+//     |<----------------|              |             |
+//     |                 | RouteCreate  |             |
+//     |                 |--------------------------->|
+//     |                 | RouteResponse|             |
+//     |                 |<---------------------------|
+//     |                 | SubReq       |             |
+//     |                 |------------->|             |
+//     |                 |      SubResp |             |
+//     |                 |<-------------|             |
+//     |      RESTNotif1 |              |             |
+//     |<----------------|              |             |
+//     | RESTSubReq      |              |             |
+//     | [without RESTsubsId initial request]         |
+//     |---------------->|              |             |
+//     |      RESTNotif1 |              |             |
+//     |<----------------|              |             |
+//     | RESTSubDelReq   |              |             |
+//     |---------------->|              |             |
+//     |   RESTSubDelResp|              |             |
+//     |<----------------|              |             |
+//     |                 | SubDelReq    |             |
+//     |                 |------------->|             |
+//     |                 |   SubDelResp |             |
+//     |                 |<-------------|             |
+//     |                 | SubDelReq    |             |
+//     |                 |------------->|             |
+//     |                 |   SubDelResp |             |
+//     |                 |<-------------|             |
+//     |                 |              |             |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqRetransmissionV5(t *testing.T) {
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 2},
+               Counter{cRestSubReqFromXapp, 3},
+               Counter{cDuplicateE2SubReq, 2},
+               Counter{cRestSubRespToXapp, 3},
                Counter{cSubReqToE2, 2},
                Counter{cSubRespFromE2, 2},
-               Counter{cSubRespToXapp, 2},
-               Counter{cSubDelReqFromXapp, 2},
+               Counter{cRestSubNotifToXapp, 4},
+               Counter{cRestSubDelReqFromXapp, 1},
                Counter{cSubDelReqToE2, 2},
                Counter{cSubDelRespFromE2, 2},
-               Counter{cSubDelRespToXapp, 2},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
-       xapp.Logger.Info("Send 1st REST subscriber request for subscriberId : %v", restSubId1)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
 
-       params = xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       params.SetMeid("RAN_NAME_2")
-       restSubId2, e2SubsId2 := createSubscription(t, xappConn1, e2termConn1, params)
-       xapp.Logger.Info("Send 2nd REST subscriber request for subscriberId : %v", restSubId2)
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
 
-       //Del1
-       deleteSubscription(t, xappConn1, e2termConn1, &restSubId1)
-       //Del2
-       deleteSubscription(t, xappConn1, e2termConn1, &restSubId2)
+       mainCtrl.WaitOngoingRequestMapEmpty()
 
-       //Wait that subs is cleaned
-       mainCtrl.wait_subs_clean(t, e2SubsId1, 10)
-       waitSubsCleanup(t, e2SubsId2, 10)
+       // Send modified  request, this time with e2 subscriptions.
+       params2 := xappConn1.GetRESTSubsReqReportParams(subReqCount + 1)
+       params2.SetSubscriptionID(&restSubId)
 
-       mainCtrl.VerifyCounterValues(t)
+       xapp.Subscription.SetResponseCB(xappConn1.SubscriptionRespHandler)
+       xappConn1.ExpectAnyNotification(t)
+       // Resend the original request with an additional e2 subscription (detail), this time with restsubsid
+       restSubId_resend := xappConn1.SendRESTSubsReq(t, params2)
+
+       e2SubsId1 := xappConn1.WaitAnyRESTNotification(t)
+       assert.Equal(t, e2SubsId, e2SubsId1)
+       // The first E2 subscription returns immediately, manually decrement expected request count for the remaining request handling
+       xappConn1.DecrementRequestCount()
+
+       crereq2, cremsg2 := e2termConn1.RecvSubsReq(t)
+
+       xappConn1.ExpectRESTNotification(t, restSubId_resend)
+       e2termConn1.SendSubsResp(t, crereq2, cremsg2)
+       e2SubsId2 := xappConn1.WaitRESTNotification(t, restSubId_resend)
+       assert.NotEqual(t, e2SubsId2, 0)
+
+       mainCtrl.WaitOngoingRequestMapEmpty()
 
+       xapp.Subscription.SetResponseCB(xappConn1.SubscriptionRespHandler)
+       params = xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       xappConn1.ExpectAnyNotification(t)
+       // Resend the original request again with only one e2 subscription (detail), WITHOUT restsubsid
+       // md5sum shall find the original request
+       restSubId_resend2 := xappConn1.SendRESTSubsReq(t, params)
+       assert.Equal(t, restSubId_resend, restSubId_resend2)
+
+       e2SubsId1 = xappConn1.WaitAnyRESTNotification(t)
+       assert.Equal(t, e2SubsId, e2SubsId1)
+
+       mainCtrl.WaitOngoingRequestMapEmpty()
+
+       // Delete both e2 subscriptions
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       e2SubsIds := []uint32{e2SubsId, e2SubsId2}
+       sendAndReceiveMultipleE2DelReqs(t, e2SubsIds, e2termConn1)
+
+       waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
-func TestRESTSubReqRetryInSubmgr(t *testing.T) {
-       CaseBegin("TestRESTSubReqRetryInSubmgr start")
+//-----------------------------------------------------------------------------
+//   stub                             stub          stub
+// +-------+        +---------+    +---------+   +---------+
+// | xapp  |        | submgr  |    | e2term  |   |  rtmgr  |
+// +-------+        +---------+    +---------+   +---------+
+//     |                 |              |             |
+//     | RESTSubReq      |              |             |
+//     |---------------->|              |             |
+//     |     RESTSubResp |              |             |
+//     |<----------------|              |             |
+//     |                 | RouteCreate  |             |
+//     |                 |--------------------------->|
+//     |                 | RouteResponse|             |
+//     |                 |<---------------------------|
+//     |                 | SubReq       |             |
+//     |                 |------------->|             |
+//     |                 |      SubResp |             |
+//     |                 |<-------------|             |
+//     |      RESTNotif1 |              |             |
+//     |<----------------|              |             |
+//     | RESTSubReq      |              |             |
+//     | [with RestSUbsId + one additional e2 subDetail]
+//     |---------------->|              |             |
+//     |      RESTNotif1 |              |             |
+//     | [for initial e2 subDetail]     |             |
+//     |<----------------|              |             |
+//     |                 | RouteCreate  |             |
+//     |                 |--------------------------->|
+//     |                 | RouteResponse|             |
+//     |                 |<---------------------------|
+//     |                 | SubReq       |             |
+//     |                 |------------->|             |
+//     |                 |      SubResp |             |
+//     |                 |<-------------|             |
+//     |      RESTNotif1 |              |             |
+//     |<----------------|              |             |
+//     | RESTSubDelReq   |              |             |
+//     |---------------->|              |             |
+//     |   RESTSubDelResp|              |             |
+//     |<----------------|              |             |
+//     |                 | SubDelReq    |             |
+//     |                 |------------->|             |
+//     |                 |   SubDelResp |             |
+//     |                 |<-------------|             |
+//     |                 | SubDelReq    |             |
+//     |                 |------------->|             |
+//     |                 |   SubDelResp |             |
+//     |                 |<-------------|             |
+//     | RESTSubReq      |              |             |
+//     | [with RESTsubsId initial request]            |
+//     |---------------->|              |             |
+//     |     RESTSubResp |              |             |
+//     |<----------------|              |             |
+//     |                 | RouteCreate  |             |
+//     |                 |--------------------------->|
+//     |                 | RouteResponse|             |
+//     |                 |<---------------------------|
+//     |                 | SubReq       |             |
+//     |                 |------------->|             |
+//     |                 |      SubResp |             |
+//     |                 |<-------------|             |
+//     |      RESTNotif1 |              |             |
+//     |<----------------|              |             |
+//     |                 |              |             |
+//
+//-----------------------------------------------------------------------------
+func TestRESTSubReqRetransmissionV6(t *testing.T) {
 
-       // Init counter check
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 1},
-               Counter{cSubReqToE2, 1},
-               Counter{cSubReReqToE2, 1},
-               Counter{cSubRespFromE2, 1},
-               Counter{cSubRespToXapp, 1},
-               Counter{cSubDelReqFromXapp, 1},
-               Counter{cSubDelReqToE2, 1},
-               Counter{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 1},
+               Counter{cRestSubReqFromXapp, 3},
+               Counter{cDuplicateE2SubReq, 1},
+               Counter{cRestSubRespToXapp, 3},
+               Counter{cSubReqToE2, 3},
+               Counter{cSubRespFromE2, 3},
+               Counter{cRestSubNotifToXapp, 4},
+               Counter{cRestSubDelReqFromXapp, 2},
+               Counter{cSubDelReqToE2, 3},
+               Counter{cSubDelRespFromE2, 3},
+               Counter{cRestSubDelRespToXapp, 2},
        })
 
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
 
-       xapp.Logger.Info("Send REST subscriber request for subscriber : %v", restSubId)
+       mainCtrl.WaitOngoingRequestMapEmpty()
 
-       // Catch the first message and ignore it
-       crereq, cremsg := e2termConn1.RecvSubsReq(t)
-       xapp.Logger.Info("Ignore REST subscriber request for subscriber : %v", restSubId)
+       // Send modified  requst, this time with e2 subscriptions.
+       params2 := xappConn1.GetRESTSubsReqReportParams(subReqCount + 1)
+       params2.SetSubscriptionID(&restSubId)
 
-       // The second request is being handled normally
-       crereq, cremsg = e2termConn1.RecvSubsReq(t)
-       xappConn1.ExpectRESTNotification(t, restSubId)
-       e2termConn1.SendSubsResp(t, crereq, cremsg)
-       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
+       xapp.Subscription.SetResponseCB(xappConn1.SubscriptionRespHandler)
+       xappConn1.ExpectAnyNotification(t)
+       // Resend the original request with an additional e2 subscription (detail), this time with restsubsid
+       restSubId_resend := xappConn1.SendRESTSubsReq(t, params2)
 
-       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
+       e2SubsId1 := xappConn1.WaitAnyRESTNotification(t)
+       assert.Equal(t, e2SubsId, e2SubsId1)
 
-       deleteSubscription(t, xappConn1, e2termConn1, &restSubId)
+       crereq2, cremsg2 := e2termConn1.RecvSubsReq(t)
+
+       xappConn1.ExpectRESTNotification(t, restSubId_resend)
+       e2termConn1.SendSubsResp(t, crereq2, cremsg2)
+       e2SubsId2 := xappConn1.WaitRESTNotification(t, restSubId_resend)
+       assert.NotEqual(t, e2SubsId2, 0)
+
+       mainCtrl.WaitOngoingRequestMapEmpty()
+
+       // Delete both e2 subscriptions
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       e2SubsIds := []uint32{e2SubsId, e2SubsId2}
+       sendAndReceiveMultipleE2DelReqs(t, e2SubsIds, e2termConn1)
 
-       mainCtrl.wait_subs_clean(t, e2SubsId, 10)
-       //Wait that subs is cleaned
        waitSubsCleanup(t, e2SubsId, 10)
 
-       mainCtrl.VerifyCounterValues(t)
+       // Resend the original request, we shall find it's previous md5sum/restsubs
+       // but the restsubscription has been already removed. This shall trigger a
+       // fresh create.
+       restSubId, e2SubsId = createSubscription(t, xappConn1, e2termConn1, params)
+
+       mainCtrl.WaitOngoingRequestMapEmpty()
+
+       deleteSubscription(t, xappConn1, e2termConn1, &restSubId)
 
+       waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTSubReqTwoRetriesNoRespSubDelRespInSubmgr
+// TestRESTSubDelReqRetransmission
 //
 //   stub                             stub
 // +-------+        +---------+    +---------+
@@ -2765,104 +4153,67 @@ func TestRESTSubReqRetryInSubmgr(t *testing.T) {
 //     |<----------------|              |
 //     |                 | SubReq       |
 //     |                 |------------->|
+//     |                 |      SubResp |
+//     |                 |<-------------|
+//     |      RESTNotif1 |              |
+//     |<----------------|              |
 //     |                 |              |
-//     |                 |              |
-//     |                 | SubReq       |
-//     |                 |------------->|
-//     |                 |              |
-//     |                 | SubDelReq    |
-//     |                 |------------->|
-//     |                 |              |
-//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |  RESTSubDelResp |              |
+//     |<----------------|              |
 //     |                 | SubDelReq    |
 //     |                 |------------->|
-//     |                 |              |
-//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |  RESTSubDelResp |              |
+//     |<----------------|              |
 //     |                 |   SubDelResp |
 //     |                 |<-------------|
-//     |       RESTNotif |              |
-//     |       unsuccess |              |
-//     |<----------------|              |
-//     |                 |              |
-//     |            [SUBS DELETE]       |
 //     |                 |              |
 //
 //-----------------------------------------------------------------------------
-func TestRESTSubReqRetryNoRespSubDelRespInSubmgr(t *testing.T) {
-       CaseBegin("TestRESTSubReqTwoRetriesNoRespSubDelRespInSubmgr start")
 
-       // Init counter check
+func TestRESTSubDelReqRetransmission(t *testing.T) {
+
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 1},
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
                Counter{cSubReqToE2, 1},
-               Counter{cSubReReqToE2, 1},
-               Counter{cSubReqTimerExpiry, 2},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 2},
                Counter{cSubDelReqToE2, 1},
                Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 2},
        })
 
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       restSubId := xappConn1.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriber : %v", restSubId)
+       var params *teststube2ap.RESTSubsReqParams = nil
 
-       e2termConn1.RecvSubsReq(t)
-       xapp.Logger.Info("Ignore 1st REST subscriber request for subscriber : %v", restSubId)
+       //Subs Create
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
 
-       e2termConn1.RecvSubsReq(t)
-       xapp.Logger.Info("Ignore 2nd REST subscriber request for subscriber : %v", restSubId)
+       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
 
+       //Subs Delete
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
        delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
-       xappConn1.ExpectRESTNotification(t, restSubId)
-       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
-       // e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)     - TODO:  Should we delete this?
-       xappConn1.WaitRESTNotification(t, restSubId)
-
-       // Wait that subs is cleaned
-       waitSubsCleanup(t, delreq.RequestId.InstanceId, 10)
-
-       mainCtrl.VerifyCounterValues(t)
-}
 
-func TestREST2eTermNotRespondingToSubReq(t *testing.T) {
-       CaseBegin("TestREST2eTermNotRespondingToSubReq start")
-
-       // Init counter check
-       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 1},
-               Counter{cSubReqToE2, 1},
-               Counter{cSubReReqToE2, 1},
-               Counter{cSubReqTimerExpiry, 2},
-               Counter{cSubDelReqToE2, 1},
-               Counter{cSubDelReqTimerExpiry, 2},
-       })
-
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       restSubId := xappConn1.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriber : %v", restSubId)
-
-       e2termConn1.RecvSubsReq(t)
-       xapp.Logger.Info("Ignore 1st REST subscriber request for subscriber : %v", restSubId)
-
-       e2termConn1.RecvSubsReq(t)
-       xapp.Logger.Info("Ignore 2nd REST subscriber request for subscriber : %v", restSubId)
-
-       e2termConn1.RecvSubsDelReq(t)
-       xapp.Logger.Info("Ignore 1st INTERNAL delete request for subscriber : %v", restSubId)
-
-       xappConn1.ExpectRESTNotification(t, restSubId)
-       e2termConn1.RecvSubsDelReq(t)
-       xapp.Logger.Info("Ignore 2nd INTERNAL delete request for subscriber : %v", restSubId)
+       //Resend delete req
+       seqBef := mainCtrl.get_msgcounter(t)
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       mainCtrl.wait_msgcounter_change(t, seqBef, 10)
 
-       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
+       // Del resp
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
 
        waitSubsCleanup(t, e2SubsId, 10)
-
        mainCtrl.VerifyCounterValues(t)
-
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTSubReqTwoRetriesNoRespSubDelRespInSubmgr
+// TestRESTSubReqDelReq
 //
 //   stub                             stub
 // +-------+        +---------+    +---------+
@@ -2876,652 +4227,903 @@ func TestREST2eTermNotRespondingToSubReq(t *testing.T) {
 //     |<----------------|              |
 //     |                 | SubReq       |
 //     |                 |------------->|
-//     |                 |              |
-//     |                 |              |
-//     |                 | SubReq       |
-//     |                 |------------->|
-//     |                 |              |
-//     |                 | SubDelReq    |
-//     |                 |------------->|
-//     |                 |              |
-//     |                 |              |
-//     |                 | SubDelReq    |
-//     |                 |------------->|
-//     |                 |              |
-//     |                 |              |
-//     |                 |   SubDelResp |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |  RESTSubDelResp |              |
+//     |     unsuccess   |              |
+//     |<----------------|              |
+//     |                 |      SubResp |
 //     |                 |<-------------|
-//     |       RESTNotif |              |
-//     |       unsuccess |              |
+//     |      RESTNotif1 |              |
 //     |<----------------|              |
 //     |                 |              |
 //     |            [SUBS DELETE]       |
 //     |                 |              |
 //
 //-----------------------------------------------------------------------------
-func TestRESTSubReqTwoRetriesNoRespAtAllInSubmgr(t *testing.T) {
-       CaseBegin("TestRESTSubReqTwoRetriesNoRespAtAllInSubmgr start")
+func TestRESTSubReqDelReq(t *testing.T) {
 
-       // Init counter check
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 1},
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
                Counter{cSubReqToE2, 1},
-               Counter{cSubReReqToE2, 1},
-               Counter{cSubReqTimerExpiry, 2},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 2},
+               Counter{cRestSubDelFailToXapp, 1},
                Counter{cSubDelReqToE2, 1},
-               Counter{cSubDelReReqToE2, 1},
-               Counter{cSubDelReqTimerExpiry, 2},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
+       const subReqCount int = 1
+
+       // Req
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
        restSubId := xappConn1.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriber : %v", restSubId)
 
-       e2termConn1.RecvSubsReq(t)
-       xapp.Logger.Info("Ignore 1st REST subscriber request for subscriber : %v", restSubId)
+       // Del. This will fail as processing of the subscription
+       // is still ongoing in submgr. Deletion is not allowed before
+       // subscription creation has been completed.
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       crereq, cremsg := e2termConn1.RecvSubsReq(t)
+       xappConn1.ExpectRESTNotification(t, restSubId)
+       e2termConn1.SendSubsResp(t, crereq, cremsg)
+       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
 
-       e2termConn1.RecvSubsReq(t)
-       xapp.Logger.Info("Ignore 2nd REST subscriber request for subscriber : %v", restSubId)
+       // Retry del
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
 
-       e2termConn1.RecvSubsDelReq(t)
-       xapp.Logger.Info("Ignore 1st INTERNAL delete request for subscriber : %v", restSubId)
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
 
-       xappConn1.ExpectRESTNotification(t, restSubId)
-       e2termConn1.RecvSubsDelReq(t)
-       xapp.Logger.Info("Ignore 2nd INTERNAL delete request for subscriber : %v", restSubId)
+       // Wait that subs is cleaned
+       waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
 
-       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
+//-----------------------------------------------------------------------------
+// TestRESTSubReqAndSubDelOkTwoParallel
+//
+//   stub       stub                          stub
+// +-------+  +-------+     +---------+    +---------+
+// | xapp2 |  | xapp1 |     | submgr  |    | e2term  |
+// +-------+  +-------+     +---------+    +---------+
+//     |          |              |              |
+//     |          | RESTSubReq1  |              |
+//     |          |------------->|              |
+//     |          | RESTSubResp1 |              |
+//     |          |<-------------|              |
+//     |          |              |              |
+//     |          |              | SubReq1      |
+//     |          |              |------------->|
+//     |          |              |              |
+//     |       RESTSubReq2       |              |
+//     |------------------------>|              |
+//     |       RESTSubResp2      |              |
+//     |<------------------------|              |
+//     |          |              |              |
+//     |          |              | SubReq2      |
+//     |          |              |------------->|
+//     |          |              |              |
+//     |          |              |    SubResp1  |
+//     |          |              |<-------------|
+//     |          | RESTNotif1   |              |
+//     |          |<-------------|              |
+//     |          |              |              |
+//     |          |              |    SubResp2  |
+//     |          |              |<-------------|
+//     |       RESTNotif2        |              |
+//     |<------------------------|              |
+//     |          |              |              |
+//     |          |        [SUBS 1 DELETE]      |
+//     |          |              |              |
+//     |          |        [SUBS 2 DELETE]      |
+//     |          |              |              |
+//
+//-----------------------------------------------------------------------------
 
-       waitSubsCleanup(t, e2SubsId, 10)
+func TestRESTSubReqAndSubDelOkTwoParallel(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
+               Counter{cSubReqToE2, 2},
+               Counter{cSubRespFromE2, 2},
+               Counter{cRestSubNotifToXapp, 2},
+               Counter{cRestSubDelReqFromXapp, 2},
+               Counter{cSubDelReqToE2, 2},
+               Counter{cSubDelRespFromE2, 2},
+               Counter{cRestSubDelRespToXapp, 2},
+       })
+
+       //Req1
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId1 := xappConn1.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send 1st REST subscriber request for subscriberId : %v", restSubId1)
+
+       //Req2
+       params = xappConn2.GetRESTSubsReqReportParams(subReqCount)
+       restSubId2 := xappConn2.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send 2nd REST subscriber request for subscriberId : %v", restSubId2)
+
+       crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
+       crereq2, cremsg2 := e2termConn1.RecvSubsReq(t)
+
+       //XappConn1 receives both of the  responses
+       xappConn1.WaitListedRestNotifications(t, []string{restSubId1, restSubId2})
+
+       //Resp1
+       e2termConn1.SendSubsResp(t, crereq1, cremsg1)
+       //Resp2
+       e2termConn1.SendSubsResp(t, crereq2, cremsg2)
+
+       e2SubsIdA := <-xappConn1.ListedRESTNotifications
+       xapp.Logger.Debug("TEST: 1.st XAPP notification received e2SubsId=%v", e2SubsIdA)
+       e2SubsIdB := <-xappConn1.ListedRESTNotifications
+       xapp.Logger.Debug("TEST: 2.nd XAPP notification received e2SubsId=%v", e2SubsIdB)
+
+       //Del1
+       deleteSubscription(t, xappConn1, e2termConn1, &restSubId1)
+       //Del2
+       deleteSubscription(t, xappConn2, e2termConn1, &restSubId2)
+
+       //Wait that subs is cleaned
+       mainCtrl.wait_subs_clean(t, e2SubsIdA.E2SubsId, 10)
+       waitSubsCleanup(t, e2SubsIdB.E2SubsId, 10)
 
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTSubReqSubFailRespInSubmgr
+// TestRESTSameSubsDiffRan
+// Same subscription to different RANs
 //
-//   stub                             stub
+//   stub                          stub
 // +-------+        +---------+    +---------+
 // | xapp  |        | submgr  |    | e2term  |
 // +-------+        +---------+    +---------+
 //     |                 |              |
-//     | RESTSubReq      |              |
+//     | RESTSubReq(r1)  |              |
 //     |---------------->|              |
-//     |                 |              |
-//     |     RESTSubResp |              |
+//     | RESTSubResp(r1) |              |
 //     |<----------------|              |
-//     |                 | SubReq       |
+//     |                 |              |
+//     |                 | SubReq(r1)   |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |      SubFail |
+//     |                 | SubResp(r1)  |
 //     |                 |<-------------|
 //     |                 |              |
-//     |                 | SubDelReq    |
+//     | RESTNotif(r1)   |              |
+//     |<----------------|              |
+//     |                 |              |
+//     | RESTSubReq(r2)  |              |
+//     |---------------->|              |
+//     |                 |              |
+//     | RESTSubResp(r2) |              |
+//     |<----------------|              |
+//     |                 | SubReq(r2)   |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |   SubDelResp |
+//     |                 | SubResp(r2)  |
 //     |                 |<-------------|
 //     |                 |              |
-//     |       RESTNotif |              |
-//     |       unsuccess |              |
+//     | RESTNotif(r2)   |              |
 //     |<----------------|              |
 //     |                 |              |
-//     |            [SUBS DELETE]       |
+//     |          [SUBS r1 DELETE]      |
+//     |                 |              |
+//     |          [SUBS r2 DELETE]      |
 //     |                 |              |
 //
 //-----------------------------------------------------------------------------
-func TestRESTSubReqSubFailRespInSubmgr(t *testing.T) {
-       CaseBegin("TestRESTSubReqSubFailRespInSubmgr")
+
+func TestRESTSameSubsDiffRan(t *testing.T) {
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 1},
-               Counter{cSubReqToE2, 1},
-               Counter{cSubFailFromE2, 1},
-               Counter{cSubRespToXapp, 1},
-               Counter{cSubDelReqFromXapp, 1},
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
+               Counter{cSubReqToE2, 2},
+               Counter{cSubRespFromE2, 2},
+               Counter{cRestSubNotifToXapp, 2},
+               Counter{cRestSubDelReqFromXapp, 2},
+               Counter{cSubDelReqToE2, 2},
+               Counter{cSubDelRespFromE2, 2},
+               Counter{cRestSubDelRespToXapp, 2},
        })
 
-       const subReqCount int = 1
-       const parameterSet = 1
-       const actionDefinitionPresent bool = true
-       const actionParamCount int = 1
-
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       restSubId := xappConn1.SendRESTSubsReq(t, params)
-
-       crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
-       fparams1 := &teststube2ap.E2StubSubsFailParams{}
-       fparams1.Set(crereq1)
-       e2termConn1.SendSubsFail(t, fparams1, cremsg1)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
+       xapp.Logger.Debug("Send 1st REST subscriber request for subscriberId : %v", restSubId1)
 
-       delreq1, delmsg1 := e2termConn1.RecvSubsDelReq(t)
-       xappConn1.ExpectRESTNotification(t, restSubId)
-       e2termConn1.SendSubsDelResp(t, delreq1, delmsg1)
-       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
-       xapp.Logger.Info("TEST: REST notification received e2SubsId=%v", e2SubsId)
+       params = xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       params.SetMeid("RAN_NAME_2")
+       restSubId2, e2SubsId2 := createSubscription(t, xappConn1, e2termConn1, params)
+       xapp.Logger.Debug("Send 2nd REST subscriber request for subscriberId : %v", restSubId2)
 
-       // REST subscription sill there to be deleted
-       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       //Del1
+       deleteSubscription(t, xappConn1, e2termConn1, &restSubId1)
+       //Del2
+       deleteSubscription(t, xappConn1, e2termConn1, &restSubId2)
 
-       // Wait that subs is cleaned
-       waitSubsCleanup(t, e2SubsId, 10)
+       //Wait that subs is cleaned
+       mainCtrl.wait_subs_clean(t, e2SubsId1, 10)
+       waitSubsCleanup(t, e2SubsId2, 10)
 
        mainCtrl.VerifyCounterValues(t)
-
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTSubDelReqRetryInSubmgr
+// TestRESTSubReqRetryInSubmgr
 //
-//   stub                             stub
+//   stub                          stub
 // +-------+        +---------+    +---------+
 // | xapp  |        | submgr  |    | e2term  |
 // +-------+        +---------+    +---------+
 //     |                 |              |
-//     |            [SUBS CREATE]       |
-//     |                 |              |
-//     |                 |              |
-//     | RESTSubDelReq   |              |
+//     | RESTSubReq      |              |
 //     |---------------->|              |
-//     |                 |              |
-//     |  RESTSubDelResp |              |
+//     | RESTSubResp     |              |
 //     |<----------------|              |
-//     |                 | SubDelReq    |
+//     |                 | SubReq       |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 | SubDelReq    |
-//     |                 |------------->|
 //     |                 |              |
-//     |                 |   SubDelResp |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 | SubResp      |
 //     |                 |<-------------|
 //     |                 |              |
+//     | RESTNotif       |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |           [SUBS DELETE]        |
+//     |                 |              |
 //
 //-----------------------------------------------------------------------------
-func TestRESTSubDelReqRetryInSubmgr(t *testing.T) {
-       CaseBegin("TestRESTSubDelReqRetryInSubmgr")
 
+func TestRESTSubReqRetryInSubmgr(t *testing.T) {
+
+       // Init counter check
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 1},
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
                Counter{cSubReqToE2, 1},
+               Counter{cSubReqTimerExpiry, 1},
+               Counter{cSubReReqToE2, 1},
                Counter{cSubRespFromE2, 1},
-               Counter{cSubRespToXapp, 1},
-               Counter{cSubDelReqFromXapp, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
                Counter{cSubDelReqToE2, 1},
-               Counter{cSubDelReReqToE2, 1},
                Counter{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
-       // Req
-       var params *teststube2ap.RESTSubsReqParams = nil
-       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
 
-       // Del
-       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
 
-       // E2t: Receive 1st SubsDelReq
-       e2termConn1.RecvSubsDelReq(t)
+       xapp.Logger.Debug("Send REST subscriber request for subscriber : %v", restSubId)
 
-       // E2t: Receive 2nd SubsDelReq and send SubsDelResp
-       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
-       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+       // Catch the first message and ignore it
+       crereq, cremsg := e2termConn1.RecvSubsReq(t)
+       xapp.Logger.Debug("Ignore REST subscriber request for subscriber : %v", restSubId)
+
+       // The second request is being handled normally
+       crereq, cremsg = e2termConn1.RecvSubsReq(t)
+       xappConn1.ExpectRESTNotification(t, restSubId)
+       e2termConn1.SendSubsResp(t, crereq, cremsg)
+       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
+
+       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
+
+       // Del
+       deleteSubscription(t, xappConn1, e2termConn1, &restSubId)
 
+       mainCtrl.wait_subs_clean(t, e2SubsId, 10)
        //Wait that subs is cleaned
        waitSubsCleanup(t, e2SubsId, 10)
 
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTSubDelReqTwoRetriesNoRespInSubmgr
+// TestRESTSubReqTwoRetriesNoRespSubDelRespInSubmgr
 //
 //   stub                             stub
 // +-------+        +---------+    +---------+
 // | xapp  |        | submgr  |    | e2term  |
 // +-------+        +---------+    +---------+
 //     |                 |              |
-//     |            [SUBS CREATE]       |
-//     |                 |              |
-//     |                 |              |
-//     | RESTSubDelReq   |              |
+//     | RESTSubReq      |              |
 //     |---------------->|              |
 //     |                 |              |
-//     |  RESTSubDelResp |              |
+//     |     RESTSubResp |              |
 //     |<----------------|              |
-//     |                 | SubDelReq    |
+//     |                 | SubReq       |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 | SubDelReq    |
-//     |                 |------------->|
 //     |                 |              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------|
+//     |       RESTNotif |              |
+//     |       unsuccess |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |            [SUBS DELETE]       |
 //     |                 |              |
 //
 //-----------------------------------------------------------------------------
-func TestRESTSubDelReqTwoRetriesNoRespInSubmgr(t *testing.T) {
-       CaseBegin("TestRESTSubDelReTwoRetriesNoRespInSubmgr")
 
+func TestRESTSubReqRetryNoRespSubDelRespInSubmgr(t *testing.T) {
+
+       // Init counter check
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 1},
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
                Counter{cSubReqToE2, 1},
-               Counter{cSubRespFromE2, 1},
-               Counter{cSubRespToXapp, 1},
-               Counter{cSubDelReqFromXapp, 1},
+               Counter{cSubReReqToE2, 1},
+               Counter{cSubReqTimerExpiry, 2},
+               Counter{cRestSubFailNotifToXapp, 1},
                Counter{cSubDelReqToE2, 1},
-               Counter{cSubDelReReqToE2, 1},
                Counter{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
-       // Req
-       var params *teststube2ap.RESTSubsReqParams = nil
-       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriber : %v", restSubId)
 
-       // Del
-       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       e2termConn1.RecvSubsReq(t)
+       xapp.Logger.Debug("Ignore 1st REST subscriber request for subscriber : %v", restSubId)
 
-       // E2t: Receive 1st SubsDelReq
-       e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.RecvSubsReq(t)
+       xapp.Logger.Debug("Ignore 2nd REST subscriber request for subscriber : %v", restSubId)
 
-       // E2t: Receive 2nd SubsDelReq and send SubsDelResp
        delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
        e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+       xappConn1.WaitRESTNotification(t, restSubId)
 
-       //Wait that subs is cleaned
-       waitSubsCleanup(t, e2SubsId, 10)
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
 
+       // Wait that subs is cleaned
+       waitSubsCleanup(t, delreq.RequestId.InstanceId, 10)
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTSubDelReqSubDelFailRespInSubmgr
+// TestREST2eTermNotRespondingToSubReq
 //
-//   stub                             stub
+//   stub                          stub
 // +-------+        +---------+    +---------+
 // | xapp  |        | submgr  |    | e2term  |
 // +-------+        +---------+    +---------+
 //     |                 |              |
-//     |            [SUBS CREATE]       |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     | RESTSubResp     |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
 //     |                 |              |
+//     |                 | SubReq       |
+//     |                 |------------->|
 //     |                 |              |
-//     | RESTSubDelReq   |              |
-//     |---------------->|              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
 //     |                 |              |
-//     |  RESTSubDelResp |              |
-//     |<----------------|              |
 //     |                 | SubDelReq    |
 //     |                 |------------->|
+//     | RESTNotif(Unsuccessful)        |
+//     |<----------------|              |
 //     |                 |              |
-//     |                 |   SubDelFail |
-//     |                 |<-------------|
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     | RESTSubDelResp  |              |
+//     |<----------------|              |
 //     |                 |              |
 //
 //-----------------------------------------------------------------------------
-func TestRESTSubDelReqSubDelFailRespInSubmgr(t *testing.T) {
-       CaseBegin("TestRESTSubDelReqSubDelFailRespInSubmgr")
 
+func TestREST2eTermNotRespondingToSubReq(t *testing.T) {
+
+       // Init counter check
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 1},
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
                Counter{cSubReqToE2, 1},
-               Counter{cSubRespFromE2, 1},
-               Counter{cSubRespToXapp, 1},
-               Counter{cSubDelReqFromXapp, 1},
+               Counter{cSubReReqToE2, 1},
+               Counter{cSubReqTimerExpiry, 2},
+               Counter{cSubDelReReqToE2, 1},
+               Counter{cRestSubFailNotifToXapp, 1},
                Counter{cSubDelReqToE2, 1},
-               Counter{cSubDelFailFromE2, 1},
-               Counter{cSubDelRespToXapp, 1},
+               Counter{cSubDelReqTimerExpiry, 2},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
-       // Req
-       var params *teststube2ap.RESTSubsReqParams = nil
-       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriber : %v", restSubId)
 
-       // Del
-       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       e2termConn1.RecvSubsReq(t)
+       xapp.Logger.Debug("Ignore 1st REST subscriber request for subscriber : %v", restSubId)
 
-       // E2t: Send receive SubsDelReq and send SubsDelFail
-       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
-       e2termConn1.SendSubsDelFail(t, delreq, delmsg)
+       e2termConn1.RecvSubsReq(t)
+       xapp.Logger.Debug("Ignore 2nd REST subscriber request for subscriber : %v", restSubId)
 
-       //Wait that subs is cleaned
-       waitSubsCleanup(t, e2SubsId, 10)
+       e2termConn1.RecvSubsDelReq(t)
+       xapp.Logger.Debug("Ignore 1st INTERNAL delete request for subscriber : %v", restSubId)
+
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
+       e2termConn1.RecvSubsDelReq(t)
+       xapp.Logger.Debug("Ignore 2nd INTERNAL delete request for subscriber : %v", restSubId)
+
+       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
+
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
 
+       waitSubsCleanup(t, e2SubsId, 10)
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTSubReqAndSubDelOkSameAction
+// TestRESTSubReqTwoRetriesNoRespSubDelRespInSubmgr
 //
 //   stub                             stub
-// +-------+     +-------+        +---------+    +---------+
-// | xapp2 |     | xapp1 |        | submgr  |    | e2term  |
-// +-------+     +-------+        +---------+    +---------+
-//     |             |                 |              |
-//     |             | RESTSubReq1     |              |
-//     |             |---------------->|              |
-//     |             |                 |              |
-//     |             |    RESTSubResp1 |              |
-//     |             |<----------------|              |
-//     |             |                 |              |
-//     |             |                 | SubReq1      |
-//     |             |                 |------------->|
-//     |             |                 |    SubResp1  |
-//     |             |                 |<-------------|
-//     |             |      RESTNotif1 |              |
-//     |             |<----------------|              |
-//     |             |                 |              |
-//     | RESTSubReq2                   |              |
-//     |------------------------------>|              |
-//     |             |                 |              |
-//     |                  RESTSubResp2 |              |
-//     |<------------------------------|              |
-//     |             |                 |              |
-//     |             |      RESTNotif2 |              |
-//     |<------------------------------|              |
-//     |             |                 |              |
-//     |             | RESTSubDelReq1  |              |
-//     |             |---------------->|              |
-//     |             |                 |              |
-//     |             | RESTSubDelResp1 |              |
-//     |             |<----------------|              |
-//     |             |                 |              |
-//     | RESTSubDelReq2                |              |
-//     |------------------------------>|              |
-//     |             |                 |              |
-//     |               RESTSubDelResp2 |              |
-//     |<------------------------------|              |
-//     |             |                 |              |
-//     |             |                 | SubDelReq2   |
-//     |             |                 |------------->|
-//     |             |                 |              |
-//     |             |                 |  SubDelResp2 |
-//     |             |                 |<-------------|
-//     |             |                 |              |
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------|
+//     |       RESTNotif |              |
+//     |       unsuccess |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |            [SUBS DELETE]       |
+//     |                 |              |
 //
 //-----------------------------------------------------------------------------
-func TestRESTSubReqAndSubDelOkSameAction(t *testing.T) {
-       CaseBegin("TestRESTSubReqAndSubDelOkSameAction")
+func TestRESTSubReqTwoRetriesNoRespAtAllInSubmgr(t *testing.T) {
 
+       // Init counter check
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 2},
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
                Counter{cSubReqToE2, 1},
-               Counter{cSubRespFromE2, 1},
-               Counter{cSubRespToXapp, 2},
-               Counter{cMergedSubscriptions, 1},
-               Counter{cUnmergedSubscriptions, 1},
-               Counter{cSubDelReqFromXapp, 2},
+               Counter{cSubReReqToE2, 1},
+               Counter{cSubReqTimerExpiry, 2},
+               Counter{cRestSubFailNotifToXapp, 1},
                Counter{cSubDelReqToE2, 1},
-               Counter{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 2},
+               Counter{cSubDelReReqToE2, 1},
+               Counter{cSubDelReqTimerExpiry, 2},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
-       // Req1
-       var params *teststube2ap.RESTSubsReqParams = nil
-
-       //Subs Create
-       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
-       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560"})
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriber : %v", restSubId)
 
-       // Req2
-       params = xappConn2.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       params.SetMeid("RAN_NAME_1")
+       e2termConn1.RecvSubsReq(t)
+       xapp.Logger.Debug("Ignore 1st REST subscriber request for subscriber : %v", restSubId)
 
-       xapp.Subscription.SetResponseCB(xappConn2.SubscriptionRespHandler)
-       xappConn2.WaitRESTNotificationForAnySubscriptionId(t)
-       waiter := rtmgrHttp.AllocNextSleep(10, true)
-       restSubId2 := xappConn2.SendRESTSubsReq(t, params)
-       waiter.WaitResult(t)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId2)
-       e2SubsId2 := <-xappConn2.RESTNotification
-       xapp.Logger.Info("REST notification received e2SubsId=%v", e2SubsId2)
+       e2termConn1.RecvSubsReq(t)
+       xapp.Logger.Debug("Ignore 2nd REST subscriber request for subscriber : %v", restSubId)
 
-       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560", "localhost:13660"})
+       e2termConn1.RecvSubsDelReq(t)
+       xapp.Logger.Debug("Ignore 1st INTERNAL delete request for subscriber : %v", restSubId)
 
-       // Del1
-       xappConn1.SendRESTSubsDelReq(t, &restSubId1)
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
+       e2termConn1.RecvSubsDelReq(t)
+       xapp.Logger.Debug("Ignore 2nd INTERNAL delete request for subscriber : %v", restSubId)
 
-       // Del2
-       deleteXapp2Subscription(t, &restSubId2)
+       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
 
-       //Wait that subs is cleaned
-       waitSubsCleanup(t, e2SubsId2, 10)
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
 
+       waitSubsCleanup(t, e2SubsId, 10)
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
-// TestSubReqAndSubDelOkSameActionParallel
+// TestRESTSubReqSubFailRespInSubmgr
 //
-//   stub          stub                          stub
-// +-------+     +-------+     +---------+    +---------+
-// | xapp2 |     | xapp1 |     | submgr  |    | e2term  |
-// +-------+     +-------+     +---------+    +---------+
-//     |             |              |              |
-//     |             |              |              |
-//     |             |              |              |
-//     |             | SubReq1      |              |
-//     |             |------------->|              |
-//     |             |              |              |
-//     |             |              | SubReq1      |
-//     |             |              |------------->|
-//     |          SubReq2           |              |
-//     |--------------------------->|              |
-//     |             |              |    SubResp1  |
-//     |             |              |<-------------|
-//     |             |    SubResp1  |              |
-//     |             |<-------------|              |
-//     |             |              | SubReq2      |
-//     |             |              |------------->|
-//     |             |              |              |
-//     |             |              |    SubResp2  |
-//     |             |              |<-------------|
-//     |          SubResp2          |              |
-//     |<---------------------------|              |
-//     |             |              |              |
-//     |             | SubDelReq 1  |              |
-//     |             |------------->|              |
-//     |             |              |              |
-//     |             | SubDelResp 1 |              |
-//     |             |<-------------|              |
-//     |             |              |              |
-//     |         SubDelReq 2        |              |
-//     |--------------------------->|              |
-//     |             |              |              |
-//     |             |              | SubDelReq 2  |
-//     |             |              |------------->|
-//     |             |              |              |
-//     |             |              | SubDelReq 2  |
-//     |             |              |------------->|
-//     |             |              |              |
-//     |         SubDelResp 2       |              |
-//     |<---------------------------|              |
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubFail |
+//     |                 |<-------------|
+//     |                 |              |
+//     |       RESTNotif |              |
+//     |       unsuccess |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |            [SUBS DELETE]       |
+//     |                 |              |
 //
-func TestRESTSubReqAndSubDelOkSameActionParallel(t *testing.T) {
-       CaseBegin("TestRESTSubReqAndSubDelOkSameActionParallel")
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqSubFailRespInSubmgr(t *testing.T) {
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 2},
-               Counter{cSubReqToE2, 2},
-               Counter{cSubRespFromE2, 2},
-               Counter{cSubRespToXapp, 2},
-               Counter{cSubDelReqFromXapp, 2},
-               Counter{cSubDelReqToE2, 2},
-               Counter{cSubDelRespFromE2, 2},
-               Counter{cSubDelRespToXapp, 2},
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubFailFromE2, 1},
+               Counter{cRestSubFailNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       restSubId1 := xappConn1.SendRESTSubsReq(t, params)
-       crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
-
-       params2 := xappConn2.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       restSubId2 := xappConn2.SendRESTSubsReq(t, params2)
+       const subReqCount int = 1
+       const e2Timeout int64 = 2
+       const e2RetryCount int64 = 1
+       const routingNeeded bool = true
 
-       xappConn1.ExpectRESTNotification(t, restSubId1)
-       e2termConn1.SendSubsResp(t, crereq1, cremsg1)
-       e2SubsId1 := xappConn1.WaitRESTNotification(t, restSubId1)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
 
-       xappConn2.ExpectRESTNotification(t, restSubId2)
-       crereq2, cremsg2 := e2termConn1.RecvSubsReq(t)
-       e2termConn1.SendSubsResp(t, crereq2, cremsg2)
-       e2SubsId2 := xappConn2.WaitRESTNotification(t, restSubId2)
+       crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
+       fparams1 := &teststube2ap.E2StubSubsFailParams{}
+       fparams1.Set(crereq1)
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
+       e2termConn1.SendSubsFail(t, fparams1, cremsg1)
 
-       // Del1
-       xappConn1.SendRESTSubsDelReq(t, &restSubId1)
-       delreq1, delmsg1 := e2termConn1.RecvSubsDelReq(t)
-       e2termConn1.SendSubsDelResp(t, delreq1, delmsg1)
-       mainCtrl.wait_subs_clean(t, e2SubsId1, 10)
+       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
+       xapp.Logger.Debug("TEST: REST notification received e2SubsId=%v", e2SubsId)
 
-       // Del2
-       xappConn2.SendRESTSubsDelReq(t, &restSubId2)
-       delreq2, delmsg2 := e2termConn1.RecvSubsDelReq(t)
-       e2termConn1.SendSubsDelResp(t, delreq2, delmsg2)
+       // REST subscription sill there to be deleted
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
 
-       waitSubsCleanup(t, e2SubsId2, 10)
+       // Wait that subs is cleaned
+       waitSubsCleanup(t, e2SubsId, 10)
 
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTSubReqAndSubDelNoAnswerSameActionParallel
+// TestRESTSubReqPartialResp
 //
-//   stub          stub                             stub
-// +-------+     +-------+        +---------+    +---------+
-// | xapp2 |     | xapp1 |        | submgr  |    | e2term  |
-// +-------+     +-------+        +---------+    +---------+
-//     |             |                 |              |
-//     |             |                 |              |
-//     |             |                 |              |
-//     |             | RESTSubReq1     |              |
-//     |             |---------------->|              |
-//     |             |                 |              |
-//     |             |    RESTSubResp1 |              |
-//     |             |<----------------|              |
-//     |             |                 | SubReq1      |
-//     |             |                 |------------->|
-//     | RESTSubReq2                   |              |
-//     |------------------------------>|              |
-//     |             |                 |              |
-//     |               RESTSubDelResp2 |              |
-//     |<------------------------------|              |
-//     |             |                 | SubReq1      |
-//     |             |                 |------------->|
-//     |             |                 |              |
-//     |             |                 |              |
-//     |             |                 | SubDelReq    |
-//     |             |                 |------------->|
-//     |             |                 |              |
-//     |             |                 |   SubDelResp |
-//     |             |                 |<-------------|
-//     |             |      RESTNotif1 |              |
-//     |             |       unsuccess |              |
-//     |             |<----------------|              |
-//     |                    RESTNotif2 |              |
-//     |             |       unsuccess |              |
-//     |<------------------------------|              |
-//     |             |                 |              |
-//     |             | RESTSubDelReq1  |              |
-//     |             |---------------->|              |
-//     |             |                 |              |
-//     |             | RESTSubDelResp1 |              |
-//     |             |<----------------|              |
-//     |             |                 |              |
-//     | RESTSubDelReq2                |              |
-//     |------------------------------>|              |
-//     |             |                 |              |
-//     |               RESTSubDelResp2 |              |
-//     |<------------------------------|              |
+//   stub                          stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     | RESTSubResp     |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 | SubResp      | Partially accepted
+//     |                 |<-------------|
+//     |                 |              |
+//     | RESTNotif       |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |           [SUBS DELETE]        |
+//     |                 |              |
 //
 //-----------------------------------------------------------------------------
-func TestRESTSubReqAndSubDelNoAnswerSameActionParallel(t *testing.T) {
-       CaseBegin("TestRESTSubReqAndSubDelNoAnswerSameActionParallel")
 
+func TestRESTSubReqPartialResp(t *testing.T) {
+
+       // Init counter check
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 2},
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
                Counter{cSubReqToE2, 1},
-               Counter{cSubRespToXapp, 2},
-               Counter{cSubDelReqFromXapp, 2},
+               Counter{cSubRespFromE2, 1},
+               Counter{cPartialSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
                Counter{cSubDelReqToE2, 1},
                Counter{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 2},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
-       const subReqCount int = 1
-       const parameterSet = 1
-       const actionDefinitionPresent bool = true
-       const actionParamCount int = 1
+       // Req
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
 
-       // Req1
-       params1 := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       restSubId1 := xappConn1.SendRESTSubsReq(t, params1)
-       crereq1, _ := e2termConn1.RecvSubsReq(t)
+       actionId := int64(2)
+       actionType := "report"
+       actionDefinition := []int64{5678, 1}
+       subsequestActionType := "continue"
+       timeToWait := "w10ms"
+       params.AppendActionToActionToBeSetupList(actionId, actionType, actionDefinition, subsequestActionType, timeToWait)
 
-       // Req2
-       subepcnt2 := mainCtrl.get_subs_entrypoint_cnt(t, crereq1.RequestId.InstanceId)
-       params2 := xappConn2.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       params2.SetMeid("RAN_NAME_1")
-       restSubId2 := xappConn2.SendRESTSubsReq(t, params2)
-       mainCtrl.wait_subs_entrypoint_cnt_change(t, crereq1.RequestId.InstanceId, subepcnt2, 10)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       crereq, cremsg := e2termConn1.RecvSubsReq(t)
+       xappConn1.ExpectRESTNotification(t, restSubId)
 
-       //Req1 (retransmitted)
-       e2termConn1.RecvSubsReq(t)
+       actionNotAdmittedItem := e2ap.ActionNotAdmittedItem{}
+       actionNotAdmittedItem.ActionId = 1
+       actionNotAdmittedItem.Cause.Content = 1
+       actionNotAdmittedItem.Cause.Value = 8
+       actionNotAdmittedList := e2ap.ActionNotAdmittedList{}
+       actionNotAdmittedList.Items = append(actionNotAdmittedList.Items, actionNotAdmittedItem)
+       e2termConn1.SendPartialSubsResp(t, crereq, cremsg, actionNotAdmittedList)
+       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
 
-       delreq1, delmsg1 := e2termConn1.RecvSubsDelReq(t)
+       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
 
-       xappConn1.WaitListedRestNotifications(t, []string{restSubId1, restSubId2})
-       e2termConn1.SendSubsDelResp(t, delreq1, delmsg1)
+       // Del
+       deleteSubscription(t, xappConn1, e2termConn1, &restSubId)
 
-       e2SubsIdA := <-xappConn1.ListedRESTNotifications
-       xapp.Logger.Info("TEST: 1.st XAPP notification received e2SubsId=%v", e2SubsIdA)
-       e2SubsIdB := <-xappConn1.ListedRESTNotifications
-       xapp.Logger.Info("TEST: 2.nd XAPP notification received e2SubsId=%v", e2SubsIdB)
+       mainCtrl.wait_subs_clean(t, e2SubsId, 10)
+       //Wait that subs is cleaned
+       waitSubsCleanup(t, e2SubsId, 10)
 
-       // Del1
-       xappConn1.SendRESTSubsDelReq(t, &restSubId1)
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
 
-       // Del2
-       xappConn2.SendRESTSubsDelReq(t, &restSubId2)
+//-----------------------------------------------------------------------------
+// TestRESTSubDelReqRetryInSubmgr
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     |            [SUBS CREATE]       |
+//     |                 |              |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |  RESTSubDelResp |              |
+//     |<----------------|              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------|
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+func TestRESTSubDelReqRetryInSubmgr(t *testing.T) {
 
-       mainCtrl.wait_multi_subs_clean(t, []uint32{e2SubsIdA.E2SubsId, e2SubsIdB.E2SubsId}, 10)
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelReqTimerExpiry, 1},
+               Counter{cSubDelReReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+       // Req
+       var params *teststube2ap.RESTSubsReqParams = nil
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
+
+       // Del
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+
+       // E2t: Receive 1st SubsDelReq
+       e2termConn1.RecvSubsDelReq(t)
+
+       // E2t: Receive 2nd SubsDelReq and send SubsDelResp
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
 
        //Wait that subs is cleaned
-       waitSubsCleanup(t, e2SubsIdA.E2SubsId, 10)
+       waitSubsCleanup(t, e2SubsId, 10)
 
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTSubReqAndSubDelNokSameActionParallel
+// TestRESTSubDelReqTwoRetriesNoRespInSubmgr
 //
-//   stub          stub                             stub
-// +-------+     +-------+        +---------+    +---------+
-// | xapp2 |     | xapp1 |        | submgr  |    | e2term  |
-// +-------+     +-------+        +---------+    +---------+
-//     |             |                 |              |
-//     |             |                 |              |
-//     |             |                 |              |
-//     |             | RESTSubReq1     |              |
-//     |             |---------------->|              |
-//     |             |                 |              |
-//     |             |    RESTSubResp1 |              |
-//     |             |<----------------|              |
-//     |             |                 | SubReq1      |
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     |            [SUBS CREATE]       |
+//     |                 |              |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |  RESTSubDelResp |              |
+//     |<----------------|              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubDelReqTwoRetriesNoRespInSubmgr(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelReqTimerExpiry, 1},
+               Counter{cSubDelReReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       // Req
+       var params *teststube2ap.RESTSubsReqParams = nil
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
+
+       // Del
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+
+       // E2t: Receive 1st SubsDelReq
+       e2termConn1.RecvSubsDelReq(t)
+
+       // E2t: Receive 2nd SubsDelReq and send SubsDelResp
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+
+       //Wait that subs is cleaned
+       waitSubsCleanup(t, e2SubsId, 10)
+
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubDelReqSubDelFailRespInSubmgr
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     |            [SUBS CREATE]       |
+//     |                 |              |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |  RESTSubDelResp |              |
+//     |<----------------|              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelFail |
+//     |                 |<-------------|
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubDelReqSubDelFailRespInSubmgr(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelFailFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       // Req
+       var params *teststube2ap.RESTSubsReqParams = nil
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
+
+       // Del
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+
+       // E2t: Send receive SubsDelReq and send SubsDelFail
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelFail(t, delreq, delmsg)
+
+       //Wait that subs is cleaned
+       waitSubsCleanup(t, e2SubsId, 10)
+
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqAndSubDelOkSameAction
+//
+//   stub                             stub
+// +-------+     +-------+        +---------+    +---------+
+// | xapp2 |     | xapp1 |        | submgr  |    | e2term  |
+// +-------+     +-------+        +---------+    +---------+
+//     |             |                 |              |
+//     |             | RESTSubReq1     |              |
+//     |             |---------------->|              |
+//     |             |                 |              |
+//     |             |    RESTSubResp1 |              |
+//     |             |<----------------|              |
+//     |             |                 |              |
+//     |             |                 | SubReq1      |
 //     |             |                 |------------->|
+//     |             |                 |    SubResp1  |
+//     |             |                 |<-------------|
+//     |             |      RESTNotif1 |              |
+//     |             |<----------------|              |
+//     |             |                 |              |
 //     | RESTSubReq2                   |              |
 //     |------------------------------>|              |
 //     |             |                 |              |
-//     |               RESTSubDelResp2 |              |
+//     |                  RESTSubResp2 |              |
 //     |<------------------------------|              |
-//     |             |                 |    SubFail1  |
-//     |             |                 |<-------------|
 //     |             |                 |              |
-//     |             |      RESTNotif1 |              |
-//     |             |       unsuccess |              |
-//     |             |<----------------|              |
-//     |                    RESTNotif2 |              |
-//     |             |       unsuccess |              |
+//     |             |      RESTNotif2 |              |
 //     |<------------------------------|              |
-//     |             |                 | SubDelReq    |
-//     |             |                 |------------->|
-//     |             |                 |   SubDelResp |
-//     |             |                 |<-------------|
 //     |             |                 |              |
 //     |             | RESTSubDelReq1  |              |
 //     |             |---------------->|              |
@@ -3534,333 +5136,2392 @@ func TestRESTSubReqAndSubDelNoAnswerSameActionParallel(t *testing.T) {
 //     |             |                 |              |
 //     |               RESTSubDelResp2 |              |
 //     |<------------------------------|              |
+//     |             |                 |              |
+//     |             |                 | SubDelReq2   |
+//     |             |                 |------------->|
+//     |             |                 |              |
+//     |             |                 |  SubDelResp2 |
+//     |             |                 |<-------------|
+//     |             |                 |              |
 //
 //-----------------------------------------------------------------------------
-func TestRESTSubReqAndSubDelNokSameActionParallel(t *testing.T) {
-       CaseBegin("TestRESTSubReqAndSubDelNokSameActionParallel")
+
+func TestRESTSubReqAndSubDelOkSameAction(t *testing.T) {
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 2},
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
                Counter{cSubReqToE2, 1},
-               Counter{cSubFailFromE2, 1},
-               Counter{cSubRespToXapp, 2},
-               Counter{cSubDelReqFromXapp, 2},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 2},
+               Counter{cMergedSubscriptions, 1},
+               Counter{cUnmergedSubscriptions, 1},
+               Counter{cRestSubDelReqFromXapp, 2},
                Counter{cSubDelReqToE2, 1},
                Counter{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 2},
+               Counter{cRestSubDelRespToXapp, 2},
        })
 
-       const subReqCount int = 1
-       const parameterSet = 1
-       const actionDefinitionPresent bool = true
-       const actionParamCount int = 1
-
        // Req1
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       restSubId1 := xappConn1.SendRESTSubsReq(t, params)
-       crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
+       var params *teststube2ap.RESTSubsReqParams = nil
 
-       // Req2
-       subepcnt2 := mainCtrl.get_subs_entrypoint_cnt(t, crereq1.RequestId.InstanceId)
-       params2 := xappConn2.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       params2.SetMeid("RAN_NAME_1")
-       restSubId2 := xappConn2.SendRESTSubsReq(t, params2)
-       mainCtrl.wait_subs_entrypoint_cnt_change(t, crereq1.RequestId.InstanceId, subepcnt2, 10)
+       //Subs Create
+       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
+       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560"})
 
-       // E2t: send SubsFail (first)
-       fparams1 := &teststube2ap.E2StubSubsFailParams{}
-       fparams1.Set(crereq1)
-       e2termConn1.SendSubsFail(t, fparams1, cremsg1)
+       // Req2
+       params = xappConn2.GetRESTSubsReqReportParams(subReqCount)
+       params.SetMeid("RAN_NAME_1")
 
-       // E2t: internal delete
-       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
-       xappConn1.WaitListedRestNotifications(t, []string{restSubId1, restSubId2})
-       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+       xapp.Subscription.SetResponseCB(xappConn2.SubscriptionRespHandler)
+       xappConn2.ExpectAnyNotification(t)
+       waiter := rtmgrHttp.AllocNextSleep(10, true)
+       restSubId2 := xappConn2.SendRESTSubsReq(t, params)
+       waiter.WaitResult(t)
+       xapp.Logger.Debug("Send REST subscriber request for subscriberId : %v", restSubId2)
+       e2SubsId2 := xappConn2.WaitAnyRESTNotification(t)
+       xapp.Logger.Debug("REST notification received e2SubsId=%v", e2SubsId2)
 
-       e2SubsIdA := <-xappConn1.ListedRESTNotifications
-       xapp.Logger.Info("TEST: 1.st XAPP notification received e2SubsId=%v", e2SubsIdA)
-       e2SubsIdB := <-xappConn1.ListedRESTNotifications
-       xapp.Logger.Info("TEST: 2.nd XAPP notification received e2SubsId=%v", e2SubsIdB)
+       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560", "localhost:13660"})
 
        // Del1
        xappConn1.SendRESTSubsDelReq(t, &restSubId1)
 
-       // Del2
-       xappConn2.SendRESTSubsDelReq(t, &restSubId2)
+       // Del2
+       deleteXapp2Subscription(t, &restSubId2)
+
+       //Wait that subs is cleaned
+       waitSubsCleanup(t, e2SubsId2, 10)
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestSubReqAndSubDelOkSameActionParallel
+//
+//   stub          stub                          stub
+// +-------+     +-------+     +---------+    +---------+
+// | xapp2 |     | xapp1 |     | submgr  |    | e2term  |
+// +-------+     +-------+     +---------+    +---------+
+//     |             |              |              |
+//     |             |              |              |
+//     |             |              |              |
+//     |             | SubReq1      |              |
+//     |             |------------->|              |
+//     |             |              |              |
+//     |             |              | SubReq1      |
+//     |             |              |------------->|
+//     |          SubReq2           |              |
+//     |--------------------------->|              |
+//     |             |              |    SubResp1  |
+//     |             |              |<-------------|
+//     |             |    SubResp1  |              |
+//     |             |<-------------|              |
+//     |             |              | SubReq2      |
+//     |             |              |------------->|
+//     |             |              |              |
+//     |             |              |    SubResp2  |
+//     |             |              |<-------------|
+//     |          SubResp2          |              |
+//     |<---------------------------|              |
+//     |             |              |              |
+//     |             | SubDelReq 1  |              |
+//     |             |------------->|              |
+//     |             |              |              |
+//     |             | SubDelResp 1 |              |
+//     |             |<-------------|              |
+//     |             |              |              |
+//     |         SubDelReq 2        |              |
+//     |--------------------------->|              |
+//     |             |              |              |
+//     |             |              | SubDelReq 2  |
+//     |             |              |------------->|
+//     |             |              |              |
+//     |             |              | SubDelReq 2  |
+//     |             |              |------------->|
+//     |             |              |              |
+//     |         SubDelResp 2       |              |
+//     |<---------------------------|              |
+//
+func TestRESTSubReqAndSubDelOkSameActionParallel(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
+               Counter{cSubReqToE2, 2},
+               Counter{cSubRespFromE2, 2},
+               Counter{cRestSubNotifToXapp, 2},
+               Counter{cRestSubDelReqFromXapp, 2},
+               Counter{cSubDelReqToE2, 2},
+               Counter{cSubDelRespFromE2, 2},
+               Counter{cRestSubDelRespToXapp, 2},
+       })
+
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId1 := xappConn1.SendRESTSubsReq(t, params)
+       crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
+
+       params2 := xappConn2.GetRESTSubsReqReportParams(subReqCount)
+       restSubId2 := xappConn2.SendRESTSubsReq(t, params2)
+
+       xappConn1.ExpectRESTNotification(t, restSubId1)
+       e2termConn1.SendSubsResp(t, crereq1, cremsg1)
+       e2SubsId1 := xappConn1.WaitRESTNotification(t, restSubId1)
+
+       xappConn2.ExpectRESTNotification(t, restSubId2)
+       crereq2, cremsg2 := e2termConn1.RecvSubsReq(t)
+       e2termConn1.SendSubsResp(t, crereq2, cremsg2)
+       e2SubsId2 := xappConn2.WaitRESTNotification(t, restSubId2)
+
+       // Del1
+       xappConn1.SendRESTSubsDelReq(t, &restSubId1)
+       delreq1, delmsg1 := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq1, delmsg1)
+       mainCtrl.wait_subs_clean(t, e2SubsId1, 10)
+
+       // Del2
+       xappConn2.SendRESTSubsDelReq(t, &restSubId2)
+       delreq2, delmsg2 := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq2, delmsg2)
+
+       waitSubsCleanup(t, e2SubsId2, 10)
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqAndSubDelNoAnswerSameActionParallel
+//
+//   stub          stub                             stub
+// +-------+     +-------+        +---------+    +---------+
+// | xapp2 |     | xapp1 |        | submgr  |    | e2term  |
+// +-------+     +-------+        +---------+    +---------+
+//     |             |                 |              |
+//     |             |                 |              |
+//     |             |                 |              |
+//     |             | RESTSubReq1     |              |
+//     |             |---------------->|              |
+//     |             |                 |              |
+//     |             |    RESTSubResp1 |              |
+//     |             |<----------------|              |
+//     |             |                 | SubReq1      |
+//     |             |                 |------------->|
+//     | RESTSubReq2                   |              |
+//     |------------------------------>|              |
+//     |             |                 |              |
+//     |               RESTSubResp2    |              |
+//     |<------------------------------|              |
+//     |             |                 | SubReq1      |
+//     |             |                 |------------->|
+//     |             |                 |              |
+//     |             |                 |              |
+//     |             |                 | SubDelReq    |
+//     |             |                 |------------->|
+//     |             |                 |              |
+//     |             |                 |   SubDelResp |
+//     |             |                 |<-------------|
+//     |             |      RESTNotif1 |              |
+//     |             |       unsuccess |              |
+//     |             |<----------------|              |
+//     |                    RESTNotif2 |              |
+//     |             |       unsuccess |              |
+//     |<------------------------------|              |
+//     |             |                 |              |
+//     |             | RESTSubDelReq1  |              |
+//     |             |---------------->|              |
+//     |             |                 |              |
+//     |             | RESTSubDelResp1 |              |
+//     |             |<----------------|              |
+//     |             |                 |              |
+//     | RESTSubDelReq2                |              |
+//     |------------------------------>|              |
+//     |             |                 |              |
+//     |               RESTSubDelResp2 |              |
+//     |<------------------------------|              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqAndSubDelNoAnswerSameActionParallel(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cMergedSubscriptions, 1},
+               Counter{cRestSubRespToXapp, 2},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubReqTimerExpiry, 2},
+               Counter{cSubReReqToE2, 1},
+               Counter{cRestSubFailNotifToXapp, 2},
+               Counter{cUnmergedSubscriptions, 1},
+               Counter{cRestSubDelReqFromXapp, 2},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 2},
+       })
+       const subReqCount int = 1
+
+       // Req1
+       params1 := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId1 := xappConn1.SendRESTSubsReq(t, params1)
+       crereq1, _ := e2termConn1.RecvSubsReq(t)
+
+       // Req2
+       subepcnt2 := mainCtrl.get_subs_entrypoint_cnt(t, crereq1.RequestId.InstanceId)
+       params2 := xappConn2.GetRESTSubsReqReportParams(subReqCount)
+       params2.SetMeid("RAN_NAME_1")
+       restSubId2 := xappConn2.SendRESTSubsReq(t, params2)
+       mainCtrl.wait_subs_entrypoint_cnt_change(t, crereq1.RequestId.InstanceId, subepcnt2, 10)
+
+       //Req1 (retransmitted)
+       e2termConn1.RecvSubsReq(t)
+
+       delreq1, delmsg1 := e2termConn1.RecvSubsDelReq(t)
+
+       xappConn1.WaitListedRestNotifications(t, []string{restSubId1, restSubId2})
+       e2termConn1.SendSubsDelResp(t, delreq1, delmsg1)
+
+       e2SubsIdA := <-xappConn1.ListedRESTNotifications
+       xapp.Logger.Debug("TEST: 1.st XAPP notification received e2SubsId=%v", e2SubsIdA)
+       e2SubsIdB := <-xappConn1.ListedRESTNotifications
+       xapp.Logger.Debug("TEST: 2.nd XAPP notification received e2SubsId=%v", e2SubsIdB)
+
+       // Del1
+       xappConn1.SendRESTSubsDelReq(t, &restSubId1)
+
+       // Del2
+       xappConn2.SendRESTSubsDelReq(t, &restSubId2)
+
+       mainCtrl.wait_multi_subs_clean(t, []uint32{e2SubsIdA.E2SubsId, e2SubsIdB.E2SubsId}, 10)
+
+       //Wait that subs is cleaned
+       waitSubsCleanup(t, e2SubsIdA.E2SubsId, 10)
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqAndSubDelNokSameActionParallel
+//
+//   stub          stub                             stub
+// +-------+     +-------+        +---------+    +---------+
+// | xapp2 |     | xapp1 |        | submgr  |    | e2term  |
+// +-------+     +-------+        +---------+    +---------+
+//     |             |                 |              |
+//     |             |                 |              |
+//     |             |                 |              |
+//     |             | RESTSubReq1     |              |
+//     |             |---------------->|              |
+//     |             |                 |              |
+//     |             |    RESTSubResp1 |              |
+//     |             |<----------------|              |
+//     |             |                 | SubReq1      |
+//     |             |                 |------------->|
+//     | RESTSubReq2                   |              |
+//     |------------------------------>|              |
+//     |             |                 |              |
+//     |               RESTSubDelResp2 |              |
+//     |<------------------------------|              |
+//     |             |                 |    SubFail1  |
+//     |             |                 |<-------------|
+//     |             |                 |              |
+//     |             |      RESTNotif1 |              |
+//     |             |       unsuccess |              |
+//     |             |<----------------|              |
+//     |                    RESTNotif2 |              |
+//     |             |       unsuccess |              |
+//     |<------------------------------|              |
+//     |             |                 |              |
+//     |             | RESTSubDelReq1  |              |   There is no need for xApp to send delete for failed subscriptions but some xApp might do so.
+//     |             |---------------->|              |
+//     |             |                 |              |
+//     |             | RESTSubDelResp1 |              |
+//     |             |<----------------|              |
+//     |             |                 |              |
+//     | RESTSubDelReq2                |              |
+//     |------------------------------>|              |
+//     |             |                 |              |
+//     |               RESTSubDelResp2 |              |
+//     |<------------------------------|              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqAndSubDelNokSameActionParallel(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cMergedSubscriptions, 1},
+               Counter{cRestSubRespToXapp, 2},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubFailFromE2, 1},
+               Counter{cRestSubFailNotifToXapp, 2},
+               Counter{cUnmergedSubscriptions, 1},
+               Counter{cRestSubDelReqFromXapp, 2},
+               Counter{cRestSubDelRespToXapp, 2},
+       })
+
+       const subReqCount int = 1
+
+       // Req1
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId1 := xappConn1.SendRESTSubsReq(t, params)
+       crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
+
+       // Req2
+       subepcnt2 := mainCtrl.get_subs_entrypoint_cnt(t, crereq1.RequestId.InstanceId)
+       params2 := xappConn2.GetRESTSubsReqReportParams(subReqCount)
+       params2.SetMeid("RAN_NAME_1")
+       restSubId2 := xappConn2.SendRESTSubsReq(t, params2)
+       mainCtrl.wait_subs_entrypoint_cnt_change(t, crereq1.RequestId.InstanceId, subepcnt2, 10)
+
+       // E2t: send SubsFail (first)
+       fparams1 := &teststube2ap.E2StubSubsFailParams{}
+       fparams1.Set(crereq1)
+       e2termConn1.SendSubsFail(t, fparams1, cremsg1)
+
+       xappConn1.WaitListedRestNotifications(t, []string{restSubId1, restSubId2})
+       e2SubsIdA := <-xappConn1.ListedRESTNotifications
+       xapp.Logger.Debug("TEST: 1.st XAPP notification received e2SubsId=%v", e2SubsIdA)
+       e2SubsIdB := <-xappConn1.ListedRESTNotifications
+       xapp.Logger.Debug("TEST: 2.nd XAPP notification received e2SubsId=%v", e2SubsIdB)
+
+       // Del1
+       xappConn1.SendRESTSubsDelReq(t, &restSubId1)
+
+       // Del2
+       xappConn2.SendRESTSubsDelReq(t, &restSubId2)
+
+       //Wait that subs is cleaned
+       waitSubsCleanup(t, e2SubsIdA.E2SubsId, 10)
+       waitSubsCleanup(t, e2SubsIdB.E2SubsId, 10)
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqPolicyAndSubDelOk
+//
+//   stub                          stub
+// +-------+       +---------+    +---------+
+// | xapp  |       | submgr  |    | e2term  |
+// +-------+       +---------+    +---------+
+//     |                |              |
+//     | RESTSubReq     |              |
+//     |--------------->|              |
+//     |  RESTSubResp   |              |
+//     |<---------------|              |
+//     |                |              |
+//     |                | SubReq       |
+//     |                |------------->|
+//     |                |              |
+//     |                |      SubResp |
+//     |                |<-------------|
+//     |                |              |
+//     |  RESTNotif     |              |
+//     |<---------------|              |
+//     |                |              |
+//     |                |              |
+//     | RESTSubDelReq  |              |
+//     |--------------->|              |
+//     | RESTSubDelResp |              |
+//     |<---------------|              |
+//     |                |              |
+//     |                | SubDelReq    |
+//     |                |------------->|
+//     |                |              |
+//     |                |   SubDelResp |
+//     |                |<-------------|
+//     |                |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqPolicyAndSubDelOk(t *testing.T) {
+
+       // Init counter check
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST Policy subscriber request for subscriberId : %v", restSubId)
+
+       crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
+       xappConn1.ExpectRESTNotification(t, restSubId)
+       e2termConn1.SendSubsResp(t, crereq1, cremsg1)
+       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
+       xapp.Logger.Debug("REST notification received e2SubsId=%v", e2SubsId)
+
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+
+       // Wait that subs is cleaned
+       waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqPolicyChangeAndSubDelOk
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubResp |
+//     |                 |<-------------|
+//     |                 |              |
+//     |       RESTNotif |              |
+//     |<----------------|              |
+//     |                 |              |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubResp |
+//     |                 |<-------------|
+//     |                 |              |
+//     |       RESTNotif |              |
+//     |<----------------|              |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------|
+//     |                 |              |
+//     |  RESTSubDelResp |              |
+//     |<----------------|              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqPolicyChangeAndSubDelOk(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
+               Counter{cSubReqToE2, 2},
+               Counter{cSubRespFromE2, 2},
+               Counter{cRestSubNotifToXapp, 2},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       const subReqCount int = 1
+       const e2Timeout int64 = 1
+       const e2RetryCount int64 = 0
+       const routingNeeded bool = true
+
+       // Req
+       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
+
+       // Policy change
+       // GetRESTSubsReqPolicyParams sets some counters on tc side.
+
+       params = xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
+       params.SetSubscriptionID(&restSubId)
+       params.SetTimeToWait("w200ms")
+       restSubId, e2SubsId = createSubscription(t, xappConn1, e2termConn1, params)
+
+       // Del
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+
+       // Wait that subs is cleaned
+       waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqPolicyChangeNokAndSubDelOk
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubResp |
+//     |                 |<-------------|
+//     |                 |              |
+//     |       RESTNotif |              |
+//     |<----------------|              |
+//     |                 |              |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubFail |
+//     |                 |<-------------|
+//     |                 |              |
+//     |       RESTNotif |              |
+//     |<----------------|              |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------|
+//     |                 |              |
+//     |  RESTSubDelResp |              |
+//     |<----------------|              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqPolicyChangeNokAndSubDelOk(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
+               Counter{cSubReqToE2, 2},
+               Counter{cSubRespFromE2, 1},
+               Counter{cSubFailFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubFailNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       const subReqCount int = 1
+       const e2Timeout int64 = 1
+       const e2RetryCount int64 = 0
+       const routingNeeded bool = false
+
+       // Req
+       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
+       fmt.Printf("restSubId: %v", restSubId)
+
+       // Policy change
+       // GetRESTSubsReqPolicyParams sets some counters on tc side.
+       params = xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
+       params.SetSubscriptionID(&restSubId)
+       params.SetTimeToWait("w200ms")
+
+       restSubId = xappConn1.SendRESTSubsReq(t, params)
+       fmt.Printf("restSubId: %v", restSubId)
+
+       crereq, cremsg := e2termConn1.RecvSubsReq(t)
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
+
+       // Gnb sends RICSubscriptionFailure
+       fparams := &teststube2ap.E2StubSubsFailParams{}
+       fparams.Set(crereq)
+       fparams.SetCauseVal(0, 1, 5) // CauseRIC / function-resource-limit
+       e2termConn1.SendSubsFail(t, fparams, cremsg)
+
+       instanceId := xappConn1.WaitRESTNotification(t, restSubId)
+       xapp.Logger.Debug("TEST: REST notification received e2SubsId=%v", instanceId)
+
+       // Del
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+
+       // Wait that subs is cleaned
+       waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqPolicyChangeNOk
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubResp |
+//     |                 |<-------------|
+//     |                 |              |
+//     |       RESTNotif |              |
+//     |<----------------|              |
+//     |                 |              |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |         RESTSubUpdateFail(400 Bad request)
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------|
+//     |                 |              |
+//     |  RESTSubDelResp |              |
+//     |<----------------|              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqPolicyChangeNOk(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubFailToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       // Req
+       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
+
+       // Policy change
+       params = xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
+
+       restSubIdUpd := strings.ToUpper(restSubId) // This makes RESTSubReq to fail
+       params.SetSubscriptionID(&restSubIdUpd)
+       params.SetTimeToWait("w200ms")
+
+       restSubId2 := xappConn1.SendRESTSubsReq(t, params)
+       assert.Equal(t, restSubId2, "")
+
+       // Del
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+
+       // Wait that subs is cleaned
+       waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqAndSubDelOkTwoE2termParallel
+//
+//   stub                             stub           stub
+// +-------+        +---------+    +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term1 |    | e2term2 |
+// +-------+        +---------+    +---------+    +---------+
+//     |                 |              |              |
+//     |                 |              |              |
+//     |                 |              |              |
+//     | RESTSubReq1     |              |              |
+//     |---------------->|              |              |
+//     |                 |              |              |
+//     |    RESTSubResp1 |              |              |
+//     |<----------------|              |              |
+//     |                 | SubReq1      |              |
+//     |                 |------------->|              |
+//     |                 |              |              |
+//     | RESTSubReq2     |              |              |
+//     |---------------->|              |              |
+//     |                 |              |              |
+//     |    RESTSubResp2 |              |              |
+//     |<----------------|              |              |
+//     |                 | SubReq2      |              |
+//     |                 |---------------------------->|
+//     |                 |              |              |
+//     |                 |    SubResp1  |              |
+//     |                 |<-------------|              |
+//     |      RESTNotif1 |              |              |
+//     |<----------------|              |              |
+//     |                 |    SubResp2  |              |
+//     |                 |<----------------------------|
+//     |      RESTNotif2 |              |              |
+//     |<----------------|              |              |
+//     |                 |              |              |
+//     |           [SUBS 1 DELETE]      |              |
+//     |                 |              |              |
+//     |           [SUBS 2 DELETE]      |              |
+//     |                 |              |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqAndSubDelOkTwoE2termParallel(t *testing.T) {
+
+       // Init counter check
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
+               Counter{cSubReqToE2, 2},
+               Counter{cSubRespFromE2, 2},
+               Counter{cRestSubNotifToXapp, 2},
+               Counter{cRestSubDelReqFromXapp, 2},
+               Counter{cSubDelReqToE2, 2},
+               Counter{cSubDelRespFromE2, 2},
+               Counter{cRestSubDelRespToXapp, 2},
+       })
+
+       const subReqCount int = 1
+
+       // Req1
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId1 := xappConn1.SendRESTSubsReq(t, params)
+       crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
+
+       // Req2
+       params = xappConn2.GetRESTSubsReqReportParams(subReqCount)
+       params.SetMeid("RAN_NAME_11")
+       // Here we use xappConn2 to simulate sending second request from same xapp as doing it from xappConn1
+       // would not work as notification would not be received
+       restSubId2 := xappConn2.SendRESTSubsReq(t, params)
+       crereq2, cremsg2 := e2termConn2.RecvSubsReq(t)
+
+       // Resp1
+       xappConn1.ExpectRESTNotification(t, restSubId1)
+       e2termConn1.SendSubsResp(t, crereq1, cremsg1)
+       e2SubsId1 := xappConn1.WaitRESTNotification(t, restSubId1)
+       xapp.Logger.Debug("TEST: REST notification received e2SubsId1=%v", e2SubsId1)
+
+       // Resp2
+       xappConn2.ExpectRESTNotification(t, restSubId2)
+       e2termConn2.SendSubsResp(t, crereq2, cremsg2)
+       e2SubsId2 := xappConn2.WaitRESTNotification(t, restSubId2)
+       xapp.Logger.Debug("TEST: REST notification received e2SubsId2=%v", e2SubsId2)
+
+       // Delete1
+       xappConn1.SendRESTSubsDelReq(t, &restSubId1)
+       delreq1, delmsg1 := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq1, delmsg1)
+
+       // Wait that subs is cleaned
+       mainCtrl.wait_subs_clean(t, e2SubsId1, 10)
+
+       // Delete2
+       xappConn1.SendRESTSubsDelReq(t, &restSubId2)
+       delreq2, delmsg2 := e2termConn2.RecvSubsDelReq(t)
+       e2termConn2.SendSubsDelResp(t, delreq2, delmsg2)
+
+       // Wait that subs is cleaned
+       waitSubsCleanup(t, e2SubsId2, 10)
+
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqInsertAndSubDelOk
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RestSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubResp |
+//     |                 |<-------------|
+//     | RESTNotif       |              |
+//     |<----------------|              |
+//     |       ...       |     ...      |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------|
+//     |                 |              |
+//     |   RESTSubDelResp|              |
+//     |<----------------|              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqInsertAndSubDelOk(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       const subReqCount int = 1
+
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       params.SetSubActionTypes("insert")
+
+       // Req
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
+
+       // Del
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+
+       // Wait that subs is cleaned
+       waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqNokAndSubDelOkWithRestartInMiddle
+//
+//   stub                          stub
+// +-------+     +---------+    +---------+
+// | xapp  |     | submgr  |    | e2term  |
+// +-------+     +---------+    +---------+
+//     |              |              |
+//     | RESTSubReq   |              |
+//     |------------->|              |
+//     |              |              |
+//     |  RESTSubResp |              |
+//     |<-------------|              |
+//     |              | SubReq       |
+//     |              |------------->|
+//     |              |              |
+//     |              |      SubResp |
+//     |                        <----|
+//     |                             |
+//     |        Submgr restart       |
+//     |                             |
+//     |              |              |
+//     |              | SubDelReq    |
+//     |              |------------->|
+//     |              |              |
+//     |              |   SubDelResp |
+//     |              |<-------------|
+//     |              |              |
+//     |    RESTNotif |              |
+//     |    unsuccess |              |
+//     |<-------------|              |
+//     |              |              |
+//     | RESTSubDelReq|              |
+//     |------------->|              |
+//     |              |              |
+//     |RESTSubDelResp|              |
+//     |<-------------|              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqNokAndSubDelOkWithRestartInMiddle(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       const subReqCount int = 1
+
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+
+       //Req
+       mainCtrl.SetResetTestFlag(t, true) // subs.DoNotWaitSubResp will be set TRUE for the subscription
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriber : %v", restSubId)
+
+       e2termConn1.RecvSubsReq(t)
+
+       mainCtrl.SetResetTestFlag(t, false)
+
+       mainCtrl.SimulateRestart(t)
+       xapp.Logger.Debug("mainCtrl.SimulateRestart done")
+
+       // Deleletion of uncompleted subscription
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+
+       //Del
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+
+       xappConn1.TestMsgChanEmpty(t)
+       e2termConn1.TestMsgChanEmpty(t)
+       mainCtrl.wait_registry_empty(t, 10)
+
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqAndSubDelOkWithRestartInMiddle
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubResp |
+//     |                 |<-------------|
+//     |                 |              |
+//     |       RESTNotif |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |                                |
+//     |           Submgr restart       |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------|
+//     |                 |              |
+//     |  RESTSubDelResp |              |
+//     |<----------------|              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqAndSubDelOkWithRestartInMiddle(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       // Create subscription
+       var params *teststube2ap.RESTSubsReqParams = nil
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriber : %v", restSubId)
+
+       // Check subscription
+       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
+
+       mainCtrl.SimulateRestart(t)
+       xapp.Logger.Debug("mainCtrl.SimulateRestart done")
+
+       // ReadE2Subscriptions() for testing is running in own go routine (go mainCtrl.c.ReadE2Subscriptions())
+       // That needs to be completed before successful subscription query is possible
+       <-time.After(time.Second * 1)
+
+       // Check subscription
+       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
+
+       // Delete subscription
+       deleteSubscription(t, xappConn1, e2termConn1, &restSubId)
+
+       //Wait that subs is cleaned
+       waitSubsCleanup(t, e2SubsId, 10)
+
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqAndSubDelOkSameActionWithRestartsInMiddle
+//
+//   stub                             stub
+// +-------+     +-------+        +---------+    +---------+
+// | xapp2 |     | xapp1 |        | submgr  |    | e2term  |
+// +-------+     +-------+        +---------+    +---------+
+//     |             |                 |              |
+//     |             | RESTSubReq1     |              |
+//     |             |---------------->|              |
+//     |             |                 |              |
+//     |             |    RESTSubResp1 |              |
+//     |             |<----------------|              |
+//     |             |                 |              |
+//     |             |                 | SubReq1      |
+//     |             |                 |------------->|
+//     |             |                 |    SubResp1  |
+//     |             |                 |<-------------|
+//     |             |      RESTNotif1 |              |
+//     |             |<----------------|              |
+//     |             |                 |              |
+//     | RESTSubReq2                   |              |
+//     |------------------------------>|              |
+//     |             |                 |              |
+//     |                  RESTSubResp2 |              |
+//     |<------------------------------|              |
+//     |             |                 |              |
+//     |             |      RESTNotif2 |              |
+//     |<------------------------------|              |
+//     |             |                 |              |
+//     |             |           Submgr restart       |
+//     |             |                 |              |
+//     |             | RESTSubDelReq1  |              |
+//     |             |---------------->|              |
+//     |             |                 |              |
+//     |             | RESTSubDelResp1 |              |
+//     |             |<----------------|              |
+//     |             |                 |              |
+//     |             |           Submgr restart       |
+//     |             |                 |              |
+//     | RESTSubDelReq2                |              |
+//     |------------------------------>|              |
+//     |             |                 |              |
+//     |               RESTSubDelResp2 |              |
+//     |<------------------------------|              |
+//     |             |                 |              |
+//     |             |                 | SubDelReq2   |
+//     |             |                 |------------->|
+//     |             |                 |              |
+//     |             |                 |  SubDelResp2 |
+//     |             |                 |<-------------|
+//     |             |                 |              |
+//
+//-----------------------------------------------------------------------------
+func TestRESTSubReqAndSubDelOkSameActionWithRestartsInMiddle(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 2},
+               Counter{cMergedSubscriptions, 1},
+               Counter{cUnmergedSubscriptions, 1},
+               Counter{cRestSubDelReqFromXapp, 2},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 2},
+       })
+
+       // Create subscription 1
+       var params *teststube2ap.RESTSubsReqParams = nil
+       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriber 1 : %v", restSubId1)
+
+       // Create subscription 2 with same action
+       params = xappConn2.GetRESTSubsReqReportParams(subReqCount)
+       params.SetMeid("RAN_NAME_1")
+       xapp.Subscription.SetResponseCB(xappConn2.SubscriptionRespHandler)
+       xappConn2.ExpectAnyNotification(t)
+       restSubId2 := xappConn2.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriberId : %v", restSubId2)
+       e2SubsId2 := xappConn2.WaitAnyRESTNotification(t)
+       xapp.Logger.Debug("REST notification received e2SubsId=%v", e2SubsId2)
+
+       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560", "localhost:13660"})
+
+       mainCtrl.SimulateRestart(t)
+       xapp.Logger.Debug("mainCtrl.SimulateRestart done 1")
+
+       // ReadE2Subscriptions() for testing is running in own go routine (go mainCtrl.c.ReadE2Subscriptions())
+       // That needs to be completed before successful subscription delete is possible
+       <-time.After(time.Second * 1)
+
+       // Delete subscription 1, and wait until it has removed the first endpoint
+       xappConn1.SendRESTSubsDelReq(t, &restSubId1)
+       mainCtrl.WaitRESTSubscriptionDelete(restSubId1)
+       // Above wait does not work correctly anymore as this delay makes this test case work
+
+       mainCtrl.SimulateRestart(t)
+       xapp.Logger.Debug("mainCtrl.SimulateRestart done 2")
+
+       // ReadE2Subscriptions() for testing is running in own go routine (go mainCtrl.c.ReadE2Subscriptions())
+       // That needs to be completed before successful subscription query is possible
+       <-time.After(time.Second * 1)
+
+       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13660"})
+
+       // Delete subscription 2
+       deleteXapp2Subscription(t, &restSubId2)
+
+       //Wait that subs is cleaned
+       waitSubsCleanup(t, e2SubsId2, 10)
+
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTReportSubReqAndSubDelOk
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RestSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubResp |
+//     |                 |<-------------|
+//     | RESTNotif       |              |
+//     |<----------------|              |
+//     |                 | SubReq       |   // Only one request sent in the teat case
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubResp |
+//     |                 |<-------------|
+//     | RESTNotif       |              |
+//     |<----------------|              |
+//     |       ...       |     ...      |
+//     |                 |              |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |   RESTSubDelResp|              |
+//     |<----------------|              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------|
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTReportSubReqAndSubDelOk(t *testing.T) {
+       const subReqCount int = 1
+       testIndex := 1
+       RESTReportSubReqAndSubDelOk(t, subReqCount, testIndex)
+}
+
+func RESTReportSubReqAndSubDelOk(t *testing.T, subReqCount int, testIndex int) {
+       xapp.Logger.Debug("TEST: TestRESTReportSubReqAndSubDelOk with testIndex %v", testIndex)
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, uint64(subReqCount)},
+               Counter{cSubRespFromE2, uint64(subReqCount)},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+               Counter{cSubDelReqToE2, uint64(subReqCount)},
+               Counter{cSubDelRespFromE2, uint64(subReqCount)},
+       })
+
+       // Req
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+
+       var e2SubsId []uint32
+       for i := 0; i < subReqCount; i++ {
+               crereq, cremsg := e2termConn1.RecvSubsReq(t)
+               xappConn1.ExpectRESTNotification(t, restSubId)
+
+               e2termConn1.SendSubsResp(t, crereq, cremsg)
+               instanceId := xappConn1.WaitRESTNotification(t, restSubId)
+               xapp.Logger.Debug("TEST: REST notification received e2SubsId=%v", instanceId)
+               e2SubsId = append(e2SubsId, instanceId)
+               resp, _ := xapp.Subscription.QuerySubscriptions()
+               assert.Equal(t, resp[i].SubscriptionID, (int64)(instanceId))
+               assert.Equal(t, resp[i].Meid, "RAN_NAME_1")
+               assert.Equal(t, resp[i].ClientEndpoint, []string{"localhost:13560"})
+
+       }
+
+       // Del
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+
+       for i := 0; i < subReqCount; i++ {
+               delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+               e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+       }
+
+       // Wait that subs is cleaned
+       for i := 0; i < subReqCount; i++ {
+               mainCtrl.wait_subs_clean(t, e2SubsId[i], 10)
+       }
+
+       xappConn1.TestMsgChanEmpty(t)
+       e2termConn1.TestMsgChanEmpty(t)
+       mainCtrl.wait_registry_empty(t, 10)
+       mainCtrl.VerifyAllClean(t)
+       mainCtrl.VerifyCounterValues(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTTwoPolicySubReqAndSubDelOk
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RestSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubResp |
+//     |                 |<-------------|
+//     | RESTNotif       |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubResp |
+//     |                 |<-------------|
+//     | RESTNotif       |              |
+//     |<----------------|              |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |   RESTSubDelResp|              |
+//     |<----------------|              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------|
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------|
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTTwoPolicySubReqAndSubDelOk(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 2},
+               Counter{cSubRespFromE2, 2},
+               Counter{cRestSubNotifToXapp, 2},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 2},
+               Counter{cSubDelRespFromE2, 2},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       const subReqCount int = 2
+
+       // Req
+       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       e2SubsIds := sendAndReceiveMultipleE2SubReqs(t, subReqCount, xappConn1, e2termConn1, restSubId)
+
+       assert.Equal(t, len(e2SubsIds), 2)
+
+       // Del
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       sendAndReceiveMultipleE2DelReqs(t, e2SubsIds, e2termConn1)
+
+       xappConn1.TestMsgChanEmpty(t)
+       e2termConn1.TestMsgChanEmpty(t)
+       mainCtrl.wait_registry_empty(t, 10)
+
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTPolicySubReqAndSubDelOk19E2Subs
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RestSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 |              |  ------
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |   E2 subscription x 19
+//     |                 |      SubResp |
+//     |                 |<-------------|
+//     | RESTNotif       |              |
+//     |<----------------|              |
+//     |                 |              |  ------
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |   RESTSubDelResp|              |
+//     |<----------------|              |
+//     |                 | SubDelReq    |  ------
+//     |                 |------------->|
+//     |                 |              |   E2 subscription delete x 19
+//     |                 |   SubDelResp |
+//     |                 |<-------------|
+//     |                 |              |  ------
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTPolicySubReqAndSubDelOk19E2Subs(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 19},
+               Counter{cSubRespFromE2, 19},
+               Counter{cRestSubNotifToXapp, 19},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 19},
+               Counter{cSubDelRespFromE2, 19},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       const subReqCount int = 19
+       // Req
+       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       e2SubsIds := sendAndReceiveMultipleE2SubReqs(t, subReqCount, xappConn1, e2termConn1, restSubId)
+
+       assert.Equal(t, len(e2SubsIds), 19)
+
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       sendAndReceiveMultipleE2DelReqs(t, e2SubsIds, e2termConn1)
+
+       xappConn1.TestMsgChanEmpty(t)
+       e2termConn1.TestMsgChanEmpty(t)
+       mainCtrl.wait_registry_empty(t, 10)
+
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTTwoPolicySubReqAndSubDelOk
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RestSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubResp |
+//     |                 |<-------------|
+//     | RESTNotif       |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubResp |
+//     |                 |<-------------|
+//     | RESTNotif       |              |
+//     |<----------------|              |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |   RESTSubDelResp|              |
+//     |<----------------|              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------|
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------|
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTTwoReportSubReqAndSubDelOk(t *testing.T) {
+
+       subReqCount := 2
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, uint64(subReqCount)},
+               Counter{cSubRespFromE2, uint64(subReqCount)},
+               Counter{cRestSubNotifToXapp, uint64(subReqCount)},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, uint64(subReqCount)},
+               Counter{cSubDelRespFromE2, uint64(subReqCount)},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       // Req
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       e2SubsIds := sendAndReceiveMultipleE2SubReqs(t, subReqCount, xappConn1, e2termConn1, restSubId)
+
+       assert.Equal(t, len(e2SubsIds), subReqCount)
+
+       // Del
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       sendAndReceiveMultipleE2DelReqs(t, e2SubsIds, e2termConn1)
+
+       xappConn1.TestMsgChanEmpty(t)
+       e2termConn1.TestMsgChanEmpty(t)
+       mainCtrl.wait_registry_empty(t, 10)
+
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTTwoReportSubReqAndSubDelOkNoActParams
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RestSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubResp |
+//     |                 |<-------------|
+//     | RESTNotif       |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubResp |
+//     |                 |<-------------|
+//     | RESTNotif       |              |
+//     |<----------------|              |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |   RESTSubDelResp|              |
+//     |<----------------|              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------|
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------|
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTTwoReportSubReqAndSubDelOkNoActParams(t *testing.T) {
+
+       subReqCount := 2
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, uint64(subReqCount)},
+               Counter{cSubRespFromE2, uint64(subReqCount)},
+               Counter{cRestSubNotifToXapp, uint64(subReqCount)},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, uint64(subReqCount)},
+               Counter{cSubDelRespFromE2, uint64(subReqCount)},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       // Req
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       e2SubsIds := sendAndReceiveMultipleE2SubReqs(t, subReqCount, xappConn1, e2termConn1, restSubId)
+
+       assert.Equal(t, len(e2SubsIds), subReqCount)
+
+       // Del
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       sendAndReceiveMultipleE2DelReqs(t, e2SubsIds, e2termConn1)
+
+       xappConn1.TestMsgChanEmpty(t)
+       e2termConn1.TestMsgChanEmpty(t)
+       mainCtrl.wait_registry_empty(t, 10)
+
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTReportSubReqAndSubDelOk19E2Subs
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RestSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 |              |  ------
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |   E2 subscription x 19
+//     |                 |      SubResp |
+//     |                 |<-------------|
+//     | RESTNotif       |              |
+//     |<----------------|              |
+//     |                 |              |  ------
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |   RESTSubDelResp|              |
+//     |<----------------|              |
+//     |                 | SubDelReq    |  ------
+//     |                 |------------->|
+//     |                 |              |   E2 subscription delete x 19
+//     |                 |   SubDelResp |
+//     |                 |<-------------|
+//     |                 |              |  ------
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTReportSubReqAndSubDelOk19E2Subs(t *testing.T) {
+
+       subReqCount := 19
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, uint64(subReqCount)},
+               Counter{cSubRespFromE2, uint64(subReqCount)},
+               Counter{cRestSubNotifToXapp, uint64(subReqCount)},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, uint64(subReqCount)},
+               Counter{cSubDelRespFromE2, uint64(subReqCount)},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       // Req
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       e2SubsIds := sendAndReceiveMultipleE2SubReqs(t, subReqCount, xappConn1, e2termConn1, restSubId)
+
+       assert.Equal(t, len(e2SubsIds), subReqCount)
+
+       // Del
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       sendAndReceiveMultipleE2DelReqs(t, e2SubsIds, e2termConn1)
+
+       xappConn1.TestMsgChanEmpty(t)
+       e2termConn1.TestMsgChanEmpty(t)
+       mainCtrl.wait_registry_empty(t, 10)
+
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqReportSameActionDiffEventTriggerDefinitionLen
+//
+//   stub       stub                          stub
+// +-------+  +-------+     +---------+    +---------+
+// | xapp2 |  | xapp1 |     | submgr  |    | e2term  |
+// +-------+  +-------+     +---------+    +---------+
+//     |          |              |              |
+//     |          | RESTSubReq1  |              |
+//     |          |------------->|              |
+//     |          | RESTSubResp1 |              |
+//     |          |<-------------|              |
+//     |          |              |              |
+//     |          |              | SubReq1      |
+//     |          |              |------------->|
+//     |          |              |              |
+//     |       RESTSubReq2       |              |
+//     |------------------------>|              |
+//     |       RESTSubResp2      |              |
+//     |<------------------------|              |
+//     |          |              |              |
+//     |          |              | SubReq2      |
+//     |          |              |------------->|
+//     |          |              |              |
+//     |          |              |    SubResp1  |
+//     |          |              |<-------------|
+//     |          | RESTNotif1   |              |
+//     |          |<-------------|              |
+//     |          |              |              |
+//     |          |              |    SubResp2  |
+//     |          |              |<-------------|
+//     |       RESTNotif2        |              |
+//     |<------------------------|              |
+//     |          |              |              |
+//     |          |        [SUBS 1 DELETE]      |
+//     |          |              |              |
+//     |          |        [SUBS 2 DELETE]      |
+//     |          |              |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqReportSameActionDiffEventTriggerDefinitionLen(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
+               Counter{cSubReqToE2, 2},
+               Counter{cSubRespFromE2, 2},
+               Counter{cRestSubNotifToXapp, 2},
+               Counter{cRestSubDelReqFromXapp, 2},
+               Counter{cSubDelReqToE2, 2},
+               Counter{cSubDelRespFromE2, 2},
+               Counter{cRestSubDelRespToXapp, 2},
+       })
+
+       // Req1
+       var params *teststube2ap.RESTSubsReqParams = nil
+
+       //Subs Create
+       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriberId : %v", restSubId1)
+
+       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560"})
+
+       // Req2
+       params = xappConn2.GetRESTSubsReqReportParams(subReqCount)
+       params.SetMeid("RAN_NAME_1")
+       eventTriggerDefinition := []int64{1234, 1}
+       params.SetSubEventTriggerDefinition(eventTriggerDefinition)
+
+       restSubId2 := xappConn2.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriberId : %v", restSubId2)
+       crereq, cremsg := e2termConn1.RecvSubsReq(t)
+       xappConn2.ExpectRESTNotification(t, restSubId2)
+       e2termConn1.SendSubsResp(t, crereq, cremsg)
+       e2SubsId2 := xappConn2.WaitRESTNotification(t, restSubId2)
+
+       deleteXapp1Subscription(t, &restSubId1)
+       deleteXapp2Subscription(t, &restSubId2)
+
+       waitSubsCleanup(t, e2SubsId1, 10)
+       waitSubsCleanup(t, e2SubsId2, 10)
+
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqReportSameActionDiffActionListLen
+//
+//   stub       stub                          stub
+// +-------+  +-------+     +---------+    +---------+
+// | xapp2 |  | xapp1 |     | submgr  |    | e2term  |
+// +-------+  +-------+     +---------+    +---------+
+//     |          |              |              |
+//     |          | RESTSubReq1  |              |
+//     |          |------------->|              |
+//     |          | RESTSubResp1 |              |
+//     |          |<-------------|              |
+//     |          |              |              |
+//     |          |              | SubReq1      |
+//     |          |              |------------->|
+//     |          |              |              |
+//     |       RESTSubReq2       |              |
+//     |------------------------>|              |
+//     |       RESTSubResp2      |              |
+//     |<------------------------|              |
+//     |          |              |              |
+//     |          |              | SubReq2      |
+//     |          |              |------------->|
+//     |          |              |              |
+//     |          |              |    SubResp1  |
+//     |          |              |<-------------|
+//     |          | RESTNotif1   |              |
+//     |          |<-------------|              |
+//     |          |              |              |
+//     |          |              |    SubResp2  |
+//     |          |              |<-------------|
+//     |       RESTNotif2        |              |
+//     |<------------------------|              |
+//     |          |              |              |
+//     |          |        [SUBS 1 DELETE]      |
+//     |          |              |              |
+//     |          |        [SUBS 2 DELETE]      |
+//     |          |              |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqReportSameActionDiffActionListLen(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
+               Counter{cSubReqToE2, 2},
+               Counter{cSubRespFromE2, 2},
+               Counter{cRestSubNotifToXapp, 2},
+               Counter{cRestSubDelReqFromXapp, 2},
+               Counter{cSubDelReqToE2, 2},
+               Counter{cSubDelRespFromE2, 2},
+               Counter{cRestSubDelRespToXapp, 2},
+       })
+
+       // Req1
+       var params *teststube2ap.RESTSubsReqParams = nil
+
+       //Subs Create
+       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriberId : %v", restSubId1)
+
+       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560"})
+
+       // Req2
+       params = xappConn2.GetRESTSubsReqReportParams(subReqCount)
+       params.SetMeid("RAN_NAME_1")
+
+       actionId := int64(1)
+       actionType := "report"
+       actionDefinition := []int64{5678, 1}
+       subsequestActionType := "continue"
+       timeToWait := "w10ms"
+       params.AppendActionToActionToBeSetupList(actionId, actionType, actionDefinition, subsequestActionType, timeToWait)
+
+       restSubId2 := xappConn2.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriberId : %v", restSubId2)
+       crereq, cremsg := e2termConn1.RecvSubsReq(t)
+       xappConn2.ExpectRESTNotification(t, restSubId2)
+       e2termConn1.SendSubsResp(t, crereq, cremsg)
+       e2SubsId2 := xappConn2.WaitRESTNotification(t, restSubId2)
+
+       deleteXapp1Subscription(t, &restSubId1)
+       deleteXapp2Subscription(t, &restSubId2)
+
+       waitSubsCleanup(t, e2SubsId1, 10)
+       waitSubsCleanup(t, e2SubsId2, 10)
+
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqReportSameActionDiffActionID
+//
+//   stub       stub                          stub
+// +-------+  +-------+     +---------+    +---------+
+// | xapp2 |  | xapp1 |     | submgr  |    | e2term  |
+// +-------+  +-------+     +---------+    +---------+
+//     |          |              |              |
+//     |          | RESTSubReq1  |              |
+//     |          |------------->|              |
+//     |          | RESTSubResp1 |              |
+//     |          |<-------------|              |
+//     |          |              |              |
+//     |          |              | SubReq1      |
+//     |          |              |------------->|
+//     |          |              |              |
+//     |       RESTSubReq2       |              |
+//     |------------------------>|              |
+//     |       RESTSubResp2      |              |
+//     |<------------------------|              |
+//     |          |              |              |
+//     |          |              | SubReq2      |
+//     |          |              |------------->|
+//     |          |              |              |
+//     |          |              |    SubResp1  |
+//     |          |              |<-------------|
+//     |          | RESTNotif1   |              |
+//     |          |<-------------|              |
+//     |          |              |              |
+//     |          |              |    SubResp2  |
+//     |          |              |<-------------|
+//     |       RESTNotif2        |              |
+//     |<------------------------|              |
+//     |          |              |              |
+//     |          |        [SUBS 1 DELETE]      |
+//     |          |              |              |
+//     |          |        [SUBS 2 DELETE]      |
+//     |          |              |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqReportSameActionDiffActionID(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
+               Counter{cSubReqToE2, 2},
+               Counter{cSubRespFromE2, 2},
+               Counter{cRestSubNotifToXapp, 2},
+               Counter{cRestSubDelReqFromXapp, 2},
+               Counter{cSubDelReqToE2, 2},
+               Counter{cSubDelRespFromE2, 2},
+               Counter{cRestSubDelRespToXapp, 2},
+       })
+
+       // Req1
+       var params *teststube2ap.RESTSubsReqParams = nil
+
+       //Subs Create
+       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriberId : %v", restSubId1)
+
+       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560"})
+
+       // Req2
+       params = xappConn2.GetRESTSubsReqReportParams(subReqCount)
+       params.SetMeid("RAN_NAME_1")
+       params.SetSubActionIDs(int64(2))
+
+       restSubId2 := xappConn2.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriberId : %v", restSubId2)
+       crereq, cremsg := e2termConn1.RecvSubsReq(t)
+       xappConn2.ExpectRESTNotification(t, restSubId2)
+       e2termConn1.SendSubsResp(t, crereq, cremsg)
+       e2SubsId2 := xappConn2.WaitRESTNotification(t, restSubId2)
+
+       deleteXapp1Subscription(t, &restSubId1)
+       deleteXapp2Subscription(t, &restSubId2)
+
+       waitSubsCleanup(t, e2SubsId1, 10)
+       waitSubsCleanup(t, e2SubsId2, 10)
+
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqDiffActionType
+//
+//   stub       stub                          stub
+// +-------+  +-------+     +---------+    +---------+
+// | xapp2 |  | xapp1 |     | submgr  |    | e2term  |
+// +-------+  +-------+     +---------+    +---------+
+//     |          |              |              |
+//     |          | RESTSubReq1  |              |
+//     |          |------------->|              |
+//     |          | RESTSubResp1 |              |
+//     |          |<-------------|              |
+//     |          |              |              |
+//     |          |              | SubReq1      |
+//     |          |              |------------->|
+//     |          |              |              |
+//     |       RESTSubReq2       |              |
+//     |------------------------>|              |
+//     |       RESTSubResp2      |              |
+//     |<------------------------|              |
+//     |          |              |              |
+//     |          |              | SubReq2      |
+//     |          |              |------------->|
+//     |          |              |              |
+//     |          |              |    SubResp1  |
+//     |          |              |<-------------|
+//     |          | RESTNotif1   |              |
+//     |          |<-------------|              |
+//     |          |              |              |
+//     |          |              |    SubResp2  |
+//     |          |              |<-------------|
+//     |       RESTNotif2        |              |
+//     |<------------------------|              |
+//     |          |              |              |
+//     |          |        [SUBS 1 DELETE]      |
+//     |          |              |              |
+//     |          |        [SUBS 2 DELETE]      |
+//     |          |              |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqDiffActionType(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
+               Counter{cSubReqToE2, 2},
+               Counter{cSubRespFromE2, 2},
+               Counter{cRestSubNotifToXapp, 2},
+               Counter{cRestSubDelReqFromXapp, 2},
+               Counter{cSubDelReqToE2, 2},
+               Counter{cSubDelRespFromE2, 2},
+               Counter{cRestSubDelRespToXapp, 2},
+       })
+
+       const e2Timeout int64 = 2
+       const e2RetryCount int64 = 2
+       const routingNeeded bool = true
+
+       // Req1
+       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
+
+       //Subs Create
+       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriberId : %v", restSubId1)
+
+       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560"})
+
+       // Req2
+       params = xappConn2.GetRESTSubsReqReportParams(subReqCount)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
+       params.SetMeid("RAN_NAME_1")
+
+       restSubId2 := xappConn2.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriberId : %v", restSubId2)
+       crereq, cremsg := e2termConn1.RecvSubsReq(t)
+       xappConn2.ExpectRESTNotification(t, restSubId2)
+       e2termConn1.SendSubsResp(t, crereq, cremsg)
+       e2SubsId2 := xappConn2.WaitRESTNotification(t, restSubId2)
+
+       deleteXapp1Subscription(t, &restSubId1)
+       deleteXapp2Subscription(t, &restSubId2)
+
+       waitSubsCleanup(t, e2SubsId1, 10)
+       waitSubsCleanup(t, e2SubsId2, 10)
+
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqPolicyAndSubDelOkSameAction
+//
+//   stub       stub                          stub
+// +-------+  +-------+     +---------+    +---------+
+// | xapp2 |  | xapp1 |     | submgr  |    | e2term  |
+// +-------+  +-------+     +---------+    +---------+
+//     |          |              |              |
+//     |          | RESTSubReq1  |              |
+//     |          |------------->|              |
+//     |          | RESTSubResp1 |              |
+//     |          |<-------------|              |
+//     |          |              |              |
+//     |          |              | SubReq1      |
+//     |          |              |------------->|
+//     |          |              |              |
+//     |       RESTSubReq2       |              |
+//     |------------------------>|              |
+//     |       RESTSubResp2      |              |
+//     |<------------------------|              |
+//     |          |              |              |
+//     |          |              | SubReq2      |
+//     |          |              |------------->|
+//     |          |              |              |
+//     |          |              |    SubResp1  |
+//     |          |              |<-------------|
+//     |          | RESTNotif1   |              |
+//     |          |<-------------|              |
+//     |          |              |              |
+//     |          |              |    SubResp2  |
+//     |          |              |<-------------|
+//     |       RESTNotif2        |              |
+//     |<------------------------|              |
+//     |          |              |              |
+//     |          |        [SUBS 1 DELETE]      |
+//     |          |              |              |
+//     |          |        [SUBS 2 DELETE]      |
+//     |          |              |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqPolicyAndSubDelOkSameAction(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
+               Counter{cSubReqToE2, 2},
+               Counter{cSubRespFromE2, 2},
+               Counter{cRestSubNotifToXapp, 2},
+               Counter{cRestSubDelReqFromXapp, 2},
+               Counter{cSubDelReqToE2, 2},
+               Counter{cSubDelRespFromE2, 2},
+               Counter{cRestSubDelRespToXapp, 2},
+       })
+
+       const e2Timeout int64 = 2
+       const e2RetryCount int64 = 2
+       const routingNeeded bool = true
+
+       // Req1
+       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
+
+       //Subs Create
+       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriberId : %v", restSubId1)
+
+       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560"})
+
+       // Req2
+       params = xappConn2.GetRESTSubsReqPolicyParams(subReqCount)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
+       params.SetMeid("RAN_NAME_1")
+
+       restSubId2 := xappConn2.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriberId : %v", restSubId2)
+       crereq, cremsg := e2termConn1.RecvSubsReq(t)
+       xappConn2.ExpectRESTNotification(t, restSubId2)
+       e2termConn1.SendSubsResp(t, crereq, cremsg)
+       e2SubsId2 := xappConn2.WaitRESTNotification(t, restSubId2)
+
+       deleteXapp1Subscription(t, &restSubId1)
+       deleteXapp2Subscription(t, &restSubId2)
+
+       waitSubsCleanup(t, e2SubsId1, 10)
+       waitSubsCleanup(t, e2SubsId2, 10)
+
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqReportSameActionDiffActionDefinitionLen
+//
+//   stub       stub                          stub
+// +-------+  +-------+     +---------+    +---------+
+// | xapp2 |  | xapp1 |     | submgr  |    | e2term  |
+// +-------+  +-------+     +---------+    +---------+
+//     |          |              |              |
+//     |          | RESTSubReq1  |              |
+//     |          |------------->|              |
+//     |          | RESTSubResp1 |              |
+//     |          |<-------------|              |
+//     |          |              |              |
+//     |          |              | SubReq1      |
+//     |          |              |------------->|
+//     |          |              |              |
+//     |       RESTSubReq2       |              |
+//     |------------------------>|              |
+//     |       RESTSubResp2      |              |
+//     |<------------------------|              |
+//     |          |              |              |
+//     |          |              | SubReq2      |
+//     |          |              |------------->|
+//     |          |              |              |
+//     |          |              |    SubResp1  |
+//     |          |              |<-------------|
+//     |          | RESTNotif1   |              |
+//     |          |<-------------|              |
+//     |          |              |              |
+//     |          |              |    SubResp2  |
+//     |          |              |<-------------|
+//     |       RESTNotif2        |              |
+//     |<------------------------|              |
+//     |          |              |              |
+//     |          |        [SUBS 1 DELETE]      |
+//     |          |              |              |
+//     |          |        [SUBS 2 DELETE]      |
+//     |          |              |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqReportSameActionDiffActionDefinitionLen(t *testing.T) {
 
-       //Wait that subs is cleaned
-       waitSubsCleanup(t, e2SubsIdA.E2SubsId, 10)
-       waitSubsCleanup(t, e2SubsIdB.E2SubsId, 10)
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
+               Counter{cSubReqToE2, 2},
+               Counter{cSubRespFromE2, 2},
+               Counter{cRestSubNotifToXapp, 2},
+               Counter{cRestSubDelReqFromXapp, 2},
+               Counter{cSubDelReqToE2, 2},
+               Counter{cSubDelRespFromE2, 2},
+               Counter{cRestSubDelRespToXapp, 2},
+       })
 
-       mainCtrl.VerifyCounterValues(t)
-}
+       // Req1
+       var params *teststube2ap.RESTSubsReqParams = nil
 
-func TestRESTSubReqPolicyAndSubDelOk(t *testing.T) {
-       CaseBegin("TestRESTSubReqPolicyAndSubDelOk")
+       //Subs Create
+       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriberId : %v", restSubId1)
 
-       // Init counter check
-       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 1},
-               Counter{cSubReqToE2, 1},
-               Counter{cSubRespFromE2, 1},
-               Counter{cSubRespToXapp, 1},
-               Counter{cSubDelReqFromXapp, 1},
-               Counter{cSubDelReqToE2, 1},
-               Counter{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 1},
-       })
+       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560"})
 
-       const subReqCount int = 1
-       const parameterSet = 1
-       const actionDefinitionPresent bool = true
-       const actionParamCount int = 1
+       // Req2
+       params = xappConn2.GetRESTSubsReqReportParams(subReqCount)
+       params.SetMeid("RAN_NAME_1")
+       actionDefinition := []int64{5678, 1}
+       params.SetSubActionDefinition(actionDefinition)
 
-       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount, actionDefinitionPresent, policyParamCount)
-       restSubId := xappConn1.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST Policy subscriber request for subscriberId : %v", restSubId)
+       restSubId2 := xappConn2.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriberId : %v", restSubId2)
+       crereq, cremsg := e2termConn1.RecvSubsReq(t)
+       xappConn2.ExpectRESTNotification(t, restSubId2)
+       e2termConn1.SendSubsResp(t, crereq, cremsg)
+       e2SubsId2 := xappConn2.WaitRESTNotification(t, restSubId2)
 
-       crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
-       xappConn1.ExpectRESTNotification(t, restSubId)
-       e2termConn1.SendSubsResp(t, crereq1, cremsg1)
-       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
-       xapp.Logger.Info("REST notification received e2SubsId=%v", e2SubsId)
+       deleteXapp1Subscription(t, &restSubId1)
+       deleteXapp2Subscription(t, &restSubId2)
 
-       xappConn1.SendRESTSubsDelReq(t, &restSubId)
-       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
-       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+       waitSubsCleanup(t, e2SubsId1, 10)
+       waitSubsCleanup(t, e2SubsId2, 10)
 
-       // Wait that subs is cleaned
-       waitSubsCleanup(t, e2SubsId, 10)
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTSubReqPolicyChangeAndSubDelOk
+// TestRESTSubReqReportSameActionDiffActionDefinitionContents
 //
-//   stub                             stub
-// +-------+        +---------+    +---------+
-// | xapp  |        | submgr  |    | e2term  |
-// +-------+        +---------+    +---------+
-//     |                 |              |
-//     | RESTSubReq      |              |
-//     |---------------->|              |
-//     |                 |              |
-//     |     RESTSubResp |              |
-//     |<----------------|              |
-//     |                 | SubReq       |
-//     |                 |------------->|
-//     |                 |              |
-//     |                 |      SubResp |
-//     |                 |<-------------|
-//     |                 |              |
-//     |       RESTNotif |              |
-//     |<----------------|              |
-//     |                 |              |
-//     | RESTSubReq      |              |
-//     |---------------->|              |
-//     |                 |              |
-//     |     RESTSubResp |              |
-//     |<----------------|              |
-//     |                 | SubReq       |
-//     |                 |------------->|
-//     |                 |              |
-//     |                 |      SubResp |
-//     |                 |<-------------|
-//     |                 |              |
-//     |       RESTNotif |              |
-//     |<----------------|              |
-//     |                 |              |
-//     | RESTSubDelReq   |              |
-//     |---------------->|              |
-//     |                 |              |
-//     |                 | SubDelReq    |
-//     |                 |------------->|
-//     |                 |              |
-//     |                 |   SubDelResp |
-//     |                 |<-------------|
-//     |                 |              |
-//     |  RESTSubDelResp |              |
-//     |<----------------|              |
+//   stub       stub                          stub
+// +-------+  +-------+     +---------+    +---------+
+// | xapp2 |  | xapp1 |     | submgr  |    | e2term  |
+// +-------+  +-------+     +---------+    +---------+
+//     |          |              |              |
+//     |          | RESTSubReq1  |              |
+//     |          |------------->|              |
+//     |          | RESTSubResp1 |              |
+//     |          |<-------------|              |
+//     |          |              |              |
+//     |          |              | SubReq1      |
+//     |          |              |------------->|
+//     |          |              |              |
+//     |       RESTSubReq2       |              |
+//     |------------------------>|              |
+//     |       RESTSubResp2      |              |
+//     |<------------------------|              |
+//     |          |              |              |
+//     |          |              | SubReq2      |
+//     |          |              |------------->|
+//     |          |              |              |
+//     |          |              |    SubResp1  |
+//     |          |              |<-------------|
+//     |          | RESTNotif1   |              |
+//     |          |<-------------|              |
+//     |          |              |              |
+//     |          |              |    SubResp2  |
+//     |          |              |<-------------|
+//     |       RESTNotif2        |              |
+//     |<------------------------|              |
+//     |          |              |              |
+//     |          |        [SUBS 1 DELETE]      |
+//     |          |              |              |
+//     |          |        [SUBS 2 DELETE]      |
+//     |          |              |              |
 //
 //-----------------------------------------------------------------------------
-func TestRESTSubReqPolicyChangeAndSubDelOk(t *testing.T) {
-       CaseBegin("TestRESTSubReqPolicyAndSubDelOk")
+
+func TestRESTSubReqReportSameActionDiffActionDefinitionContents(t *testing.T) {
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 2},
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
                Counter{cSubReqToE2, 2},
                Counter{cSubRespFromE2, 2},
-               Counter{cSubRespToXapp, 2},
-               Counter{cSubDelReqFromXapp, 1},
-               Counter{cSubDelReqToE2, 1},
-               Counter{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 1},
+               Counter{cRestSubNotifToXapp, 2},
+               Counter{cRestSubDelReqFromXapp, 2},
+               Counter{cSubDelReqToE2, 2},
+               Counter{cSubDelRespFromE2, 2},
+               Counter{cRestSubDelRespToXapp, 2},
        })
 
-       const subReqCount int = 1
-       const parameterSet = 1
-       const actionDefinitionPresent bool = true
-       const policyParamCount int = 1
+       // Req1
+       var params *teststube2ap.RESTSubsReqParams = nil
 
-       // Req
-       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount, actionDefinitionPresent, policyParamCount)
-       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
+       //Subs Create
+       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriberId : %v", restSubId1)
 
-       // Policy change
-       instanceId := int64(e2SubsId)
-       // GetRESTSubsReqPolicyParams sets some coutners on tc side.
-       params = xappConn1.GetRESTSubsReqPolicyParams(subReqCount, actionDefinitionPresent, policyParamCount)
-       params.SubsReqParams.SubscriptionDetails[0].InstanceID = &instanceId
-       params.SetTimeToWait("w200ms")
-       restSubId, e2SubsId = createSubscription(t, xappConn1, e2termConn1, params)
+       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560"})
 
-       // Del
-       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       // Req2
+       params = xappConn2.GetRESTSubsReqReportParams(subReqCount)
+       params.SetMeid("RAN_NAME_1")
+       actionDefinition := []int64{56782}
+       params.SetSubActionDefinition(actionDefinition)
 
-       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
-       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+       restSubId2 := xappConn2.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriberId : %v", restSubId2)
+       crereq, cremsg := e2termConn1.RecvSubsReq(t)
+       xappConn2.ExpectRESTNotification(t, restSubId2)
+       e2termConn1.SendSubsResp(t, crereq, cremsg)
+       e2SubsId2 := xappConn2.WaitRESTNotification(t, restSubId2)
+
+       deleteXapp1Subscription(t, &restSubId1)
+       deleteXapp2Subscription(t, &restSubId2)
+
+       waitSubsCleanup(t, e2SubsId1, 10)
+       waitSubsCleanup(t, e2SubsId2, 10)
 
-       // Wait that subs is cleaned
-       waitSubsCleanup(t, e2SubsId, 10)
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTSubReqAndSubDelOkTwoE2termParallel
+// TestRESTSubReqReportSameActionDiffSubsAction
 //
-//   stub                             stub           stub
-// +-------+        +---------+    +---------+    +---------+
-// | xapp  |        | submgr  |    | e2term1 |    | e2term2 |
-// +-------+        +---------+    +---------+    +---------+
-//     |                 |              |              |
-//     |                 |              |              |
-//     |                 |              |              |
-//     | RESTSubReq1     |              |              |
-//     |---------------->|              |              |
-//     |                 |              |              |
-//     |    RESTSubResp1 |              |              |
-//     |<----------------|              |              |
-//     |                 | SubReq1      |              |
-//     |                 |------------->|              |
-//     |                 |              |              |
-//     | RESTSubReq2     |              |              |
-//     |---------------->|              |              |
-//     |                 |              |              |
-//     |    RESTSubResp2 |              |              |
-//     |<----------------|              |              |
-//     |                 | SubReq2      |              |
-//     |                 |---------------------------->|
-//     |                 |              |              |
-//     |                 |    SubResp1  |              |
-//     |                 |<-------------|              |
-//     |      RESTNotif1 |              |              |
-//     |<----------------|              |              |
-//     |                 |    SubResp2  |              |
-//     |                 |<----------------------------|
-//     |      RESTNotif2 |              |              |
-//     |<----------------|              |              |
-//     |                 |              |              |
-//     |           [SUBS 1 DELETE]      |              |
-//     |                 |              |              |
-//     |           [SUBS 2 DELETE]      |              |
-//     |                 |              |              |
+//   stub       stub                          stub
+// +-------+  +-------+     +---------+    +---------+
+// | xapp2 |  | xapp1 |     | submgr  |    | e2term  |
+// +-------+  +-------+     +---------+    +---------+
+//     |          |              |              |
+//     |          | RESTSubReq1  |              |
+//     |          |------------->|              |
+//     |          | RESTSubResp1 |              |
+//     |          |<-------------|              |
+//     |          |              |              |
+//     |          |              | SubReq1      |
+//     |          |              |------------->|
+//     |          |              |              |
+//     |       RESTSubReq2       |              |
+//     |------------------------>|              |
+//     |       RESTSubResp2      |              |
+//     |<------------------------|              |
+//     |          |              |              |
+//     |          |              | SubReq2      |
+//     |          |              |------------->|
+//     |          |              |              |
+//     |          |              |    SubResp1  |
+//     |          |              |<-------------|
+//     |          | RESTNotif1   |              |
+//     |          |<-------------|              |
+//     |          |              |              |
+//     |          |              |    SubResp2  |
+//     |          |              |<-------------|
+//     |       RESTNotif2        |              |
+//     |<------------------------|              |
+//     |          |              |              |
+//     |          |        [SUBS 1 DELETE]      |
+//     |          |              |              |
+//     |          |        [SUBS 2 DELETE]      |
+//     |          |              |              |
 //
 //-----------------------------------------------------------------------------
-func TestRESTSubReqAndSubDelOkTwoE2termParallel(t *testing.T) {
-       CaseBegin("TestRESTSubReqAndSubDelOkTwoE2termParallel")
 
-       // Init counter check
+func TestRESTSubReqReportSameActionDiffSubsAction(t *testing.T) {
+
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 2},
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
                Counter{cSubReqToE2, 2},
                Counter{cSubRespFromE2, 2},
-               Counter{cSubRespToXapp, 2},
-               Counter{cSubDelReqFromXapp, 2},
+               Counter{cRestSubNotifToXapp, 2},
+               Counter{cRestSubDelReqFromXapp, 2},
                Counter{cSubDelReqToE2, 2},
                Counter{cSubDelRespFromE2, 2},
-               Counter{cSubDelRespToXapp, 2},
+               Counter{cRestSubDelRespToXapp, 2},
        })
 
-       const subReqCount int = 1
-       const parameterSet = 1
-       const actionDefinitionPresent bool = true
-       const actionParamCount int = 1
-
        // Req1
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       restSubId1 := xappConn1.SendRESTSubsReq(t, params)
-       crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
+       var params *teststube2ap.RESTSubsReqParams = nil
+
+       //Subs Create
+       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriberId : %v", restSubId1)
+
+       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560"})
 
        // Req2
-       params = xappConn2.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       params.SetMeid("RAN_NAME_11")
-       // Here we use xappConn2 to simulate sending second request from same xapp as doing it from xappConn1
-       // would not work as notification would not be received
+       params = xappConn2.GetRESTSubsReqReportParams(subReqCount)
+       params.SetMeid("RAN_NAME_1")
+       params.SetTimeToWait("w200ms")
        restSubId2 := xappConn2.SendRESTSubsReq(t, params)
-       crereq2, cremsg2 := e2termConn2.RecvSubsReq(t)
-
-       // Resp1
-       xappConn1.ExpectRESTNotification(t, restSubId1)
-       e2termConn1.SendSubsResp(t, crereq1, cremsg1)
-       e2SubsId1 := xappConn1.WaitRESTNotification(t, restSubId1)
-       xapp.Logger.Info("TEST: REST notification received e2SubsId1=%v", e2SubsId1)
-
-       // Resp2
+       xapp.Logger.Debug("Send REST subscriber request for subscriberId : %v", restSubId2)
+       crereq, cremsg := e2termConn1.RecvSubsReq(t)
        xappConn2.ExpectRESTNotification(t, restSubId2)
-       e2termConn2.SendSubsResp(t, crereq2, cremsg2)
+       e2termConn1.SendSubsResp(t, crereq, cremsg)
        e2SubsId2 := xappConn2.WaitRESTNotification(t, restSubId2)
-       xapp.Logger.Info("TEST: REST notification received e2SubsId2=%v", e2SubsId2)
 
-       // Delete1
-       xappConn1.SendRESTSubsDelReq(t, &restSubId1)
-       delreq1, delmsg1 := e2termConn1.RecvSubsDelReq(t)
-       e2termConn1.SendSubsDelResp(t, delreq1, delmsg1)
-
-       // Wait that subs is cleaned
-       mainCtrl.wait_subs_clean(t, e2SubsId1, 10)
-
-       // Delete2
-       xappConn1.SendRESTSubsDelReq(t, &restSubId2)
-       delreq2, delmsg2 := e2termConn2.RecvSubsDelReq(t)
-       e2termConn2.SendSubsDelResp(t, delreq2, delmsg2)
+       deleteXapp1Subscription(t, &restSubId1)
+       deleteXapp2Subscription(t, &restSubId2)
 
-       // Wait that subs is cleaned
+       waitSubsCleanup(t, e2SubsId1, 10)
        waitSubsCleanup(t, e2SubsId2, 10)
 
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTSubReqAsn1EncodeFail
-//
-// In this case submgr send RICSubscriptionDeleteRequest after encode failure which should not happen!
-//   stub                             stub
-// +-------+        +---------+    +---------+
-// | xapp  |        | submgr  |    | e2term  |
-// +-------+        +---------+    +---------+
-//     |                 |              |
-//     | RESTSubReq      |              |
-//     |---------------->|              |
-//     |                 |              |
-//     |     RESTSubResp |              |
-//     |<----------------|              |
-//     | RESTSubDelReq   |              |
-//     |---------------->|              |
-//     |  RESTSubDelResp |              |
-//     |     unsuccess   |              |
-//     |<----------------|              |
-//     |                 |              |
-//
-//-----------------------------------------------------------------------------
-func TestRESTSubReqAsn1EncodeFail(t *testing.T) {
-       CaseBegin("TestRESTSubReqAsn1EncodeFail")
-
-       xapp.Logger.Info("Xapp-frame, v0.8.1 sufficient REST API validation")
-
-}
-
-//-----------------------------------------------------------------------------
-// TestRESTSubReqInsertAndSubDelOk
+// TestRESTUnpackSubscriptionResponseDecodeFail
 //
 //   stub                             stub
 // +-------+        +---------+    +---------+
@@ -3876,338 +7537,277 @@ func TestRESTSubReqAsn1EncodeFail(t *testing.T) {
 //     |                 | SubReq       |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |      SubResp |
-//     |                 |<-------------|
-//     | RESTNotif       |              |
-//     |<----------------|              |
-//     |       ...       |     ...      |
-//     |                 |              |
-//     | RESTSubDelReq   |              |
-//     |---------------->|              |
+//     |                 |      SubResp | ASN.1 decode fails
+//     |                 |<-------------| Decode failed. More data needed. This will result timer expiry and resending
 //     |                 |              |
-//     |                 | SubDelReq    |
+//     |                 | SubReq       |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |   SubDelResp |
+//     |                 |      SubFail | Duplicated action
 //     |                 |<-------------|
-//     |                 |              |
-//     |   RESTSubDelResp|              |
+//     | RESTNotif (fail)|              |
 //     |<----------------|              |
+//     |                 |              |
+//     |           [SUBS DELETE]        |
+//     |                 |              |
 //
 //-----------------------------------------------------------------------------
-func TestRESTSubReqInsertAndSubDelOk(t *testing.T) {
-       CaseBegin("TestRESTInsertSubReqAndSubDelOk")
+
+func TestRESTUnpackSubscriptionResponseDecodeFail(t *testing.T) {
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 1},
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
                Counter{cSubReqToE2, 1},
+               Counter{cSubReqTimerExpiry, 1},
+               Counter{cSubReReqToE2, 1},
                Counter{cSubRespFromE2, 1},
-               Counter{cSubRespToXapp, 1},
-               Counter{cSubDelReqFromXapp, 1},
-               Counter{cSubDelReqToE2, 1},
-               Counter{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 1},
+               Counter{cSubFailFromE2, 1},
+               Counter{cRestSubFailNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
        const subReqCount int = 1
-       const parameterSet int = 1
-       const actionDefinitionPresent bool = true
-       const actionParamCount int = 1
-
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       params.SetSubActionTypes("insert")
 
        // Req
-       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
-
-       // Del
-       xappConn1.SendRESTSubsDelReq(t, &restSubId)
-
-       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
-       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
-
-       // Wait that subs is cleaned
-       waitSubsCleanup(t, e2SubsId, 10)
-       mainCtrl.VerifyCounterValues(t)
-}
-
-//-----------------------------------------------------------------------------
-// TestRESTSubReqNokAndSubDelOkWithRestartInMiddle
-//
-//   stub                          stub
-// +-------+     +---------+    +---------+
-// | xapp  |     | submgr  |    | e2term  |
-// +-------+     +---------+    +---------+
-//     |              |              |
-//     | RESTSubReq   |              |
-//     |------------->|              |
-//     |              |              |
-//     |              | SubReq       |
-//     |              |------------->|
-//     |              |              |
-//     |              |      SubResp |
-//     |                        <----|
-//     |                             |
-//     |        Submgr restart       |
-//     |                             |
-//     |              |              |
-//     |              | SubDelReq    |
-//     |              |------------->|
-//     |              |              |
-//     |              |   SubDelResp |
-//     |              |<-------------|
-//     |              |              |
-//
-//-----------------------------------------------------------------------------
-func TestRESTSubReqNokAndSubDelOkWithRestartInMiddle(t *testing.T) {
-       CaseBegin("TestRESTSubReqNokAndSubDelOkWithRestartInMiddle")
-
-       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 1},
-               Counter{cSubReqToE2, 1},
-               Counter{cSubDelReqFromXapp, 1},
-               Counter{cSubDelReqToE2, 1},
-               Counter{cSubDelRespFromE2, 1},
-       })
-
-       const subReqCount int = 1
-       const parameterSet = 1
-       const actionDefinitionPresent bool = true
-       const actionParamCount int = 1
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
 
-       // Remove possible existing subscription
-       mainCtrl.removeExistingSubscriptions(t)
+       crereq, cremsg := e2termConn1.RecvSubsReq(t)
+       // Decode of this response fails which will result resending original request
+       e2termConn1.SendInvalidE2Asn1Resp(t, cremsg, xapp.RIC_SUB_RESP)
 
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
+       _, cremsg = e2termConn1.RecvSubsReq(t)
 
-       //Req
-       mainCtrl.SetResetTestFlag(t, true) // subs.DoNotWaitSubResp will be set TRUE for the subscription
-       restSubId := xappConn1.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriber : %v", restSubId)
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
 
-       e2termConn1.RecvSubsReq(t)
+       // Subscription already created in E2 Node.
+       fparams := &teststube2ap.E2StubSubsFailParams{}
+       fparams.Set(crereq)
+       fparams.SetCauseVal(0, 1, 3) // CauseRIC / duplicate-action
+       e2termConn1.SendSubsFail(t, fparams, cremsg)
 
-       mainCtrl.SetResetTestFlag(t, false)
+       instanceId := xappConn1.WaitRESTNotification(t, restSubId)
+       xapp.Logger.Debug("TEST: REST notification received e2SubsId=%v", instanceId)
 
-       mainCtrl.SimulateRestart(t)
-       xapp.Logger.Debug("mainCtrl.SimulateRestart done")
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
 
-       //Del
-       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
-       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+       // Wait that subs is cleaned
+       mainCtrl.wait_subs_clean(t, crereq.RequestId.InstanceId, 10)
 
        xappConn1.TestMsgChanEmpty(t)
-       xappConn2.TestMsgChanEmpty(t)
        e2termConn1.TestMsgChanEmpty(t)
        mainCtrl.wait_registry_empty(t, 10)
-
+       mainCtrl.VerifyAllClean(t)
        mainCtrl.VerifyCounterValues(t)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTSubReqAndSubDelOkWithRestartInMiddle
+// TestRESTUnpackSubscriptionResponseUnknownInstanceId
 //
 //   stub                             stub
 // +-------+        +---------+    +---------+
 // | xapp  |        | submgr  |    | e2term  |
 // +-------+        +---------+    +---------+
 //     |                 |              |
-//     | RESTSubReq      |              |
+//     | RestSubReq      |              |
 //     |---------------->|              |
 //     |                 |              |
 //     |     RESTSubResp |              |
 //     |<----------------|              |
+//     |                 |              |
 //     |                 | SubReq       |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |      SubResp |
-//     |                 |<-------------|
-//     |                 |              |
-//     |       RESTNotif |              |
-//     |<----------------|              |
-//     |                 |              |
-//     |                                |
-//     |           Submgr restart       |
+//     |                 |      SubResp | Unknown instanceId
+//     |                 |<-------------| No valid subscription found with subIds [0]
 //     |                 |              |
-//     | RESTSubDelReq   |              |
-//     |---------------->|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
 //     |                 |              |
+//     |                 |      SubFail | Duplicated action
+//     |                 |<-------------| No valid subscription found with subIds [0]
+//     | RESTNotif (fail)|              |
+//     |<----------------|              |
 //     |                 | SubDelReq    |
 //     |                 |------------->|
 //     |                 |              |
 //     |                 |   SubDelResp |
 //     |                 |<-------------|
 //     |                 |              |
-//     |  RESTSubDelResp |              |
-//     |<----------------|              |
+//     |           [SUBS DELETE]        |
+//     |                 |              |
 //
 //-----------------------------------------------------------------------------
-func TestRESTSubReqAndSubDelOkWithRestartInMiddle(t *testing.T) {
-       CaseBegin("TestRESTSubReqAndSubDelOkWithRestartInMiddle")
+
+func TestRESTUnpackSubscriptionResponseUnknownInstanceId(t *testing.T) {
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 1},
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
                Counter{cSubReqToE2, 1},
+               Counter{cSubReqTimerExpiry, 2},
+               Counter{cSubReReqToE2, 1},
                Counter{cSubRespFromE2, 1},
-               Counter{cSubRespToXapp, 1},
-               Counter{cSubDelReqFromXapp, 1},
+               Counter{cSubFailFromE2, 1},
+               Counter{cRestSubFailNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
                Counter{cSubDelReqToE2, 1},
-               Counter{cSubDelRespToXapp, 1},
+               Counter{cSubDelRespFromE2, 1},
        })
 
-       // Remove possible existing subscription
-       mainCtrl.removeExistingSubscriptions(t)
-
-       var params *teststube2ap.RESTSubsReqParams = nil
+       const subReqCount int = 1
 
-       // Create subscription
-       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriber : %v", restSubId)
+       // Req
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
 
-       // Check subscription
-       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
+       crereq, cremsg := e2termConn1.RecvSubsReq(t)
 
-       // When SDL support for the REST Interface is added
-       // the submgr restart statement below should be removed
-       // from the comment.
+       // Unknown instanceId 0 in this response which will result resending original request
+       orgInstanceId := crereq.RequestId.InstanceId
+       crereq.RequestId.InstanceId = 0
+       e2termConn1.SendSubsResp(t, crereq, cremsg)
 
-       //      mainCtrl.SimulateRestart(t)
-       //      xapp.Logger.Debug("mainCtrl.SimulateRestart done")
+       _, cremsg = e2termConn1.RecvSubsReq(t)
 
-       // Check subscription
-       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
 
-       // Delete subscription
-       deleteSubscription(t, xappConn1, e2termConn1, &restSubId)
+       // Subscription already created in E2 Node. E2 Node responds with failure but there is also same unknown instanceId 0
+       fparams := &teststube2ap.E2StubSubsFailParams{}
+       fparams.Set(crereq)
+       fparams.SetCauseVal(0, 1, 3) // CauseRIC / duplicate-action
+       e2termConn1.SendSubsFail(t, fparams, cremsg)
 
-       //Wait that subs is cleaned
-       waitSubsCleanup(t, e2SubsId, 10)
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
 
-       mainCtrl.VerifyCounterValues(t)
-}
+       instanceId := xappConn1.WaitRESTNotification(t, restSubId)
+       xapp.Logger.Debug("TEST: REST notification received e2SubsId=%v", instanceId)
 
-//-----------------------------------------------------------------------------
-// TestRESTSubReqAndSubDelOkSameActionWithRestartsInMiddle
-//
-//   stub                             stub
-// +-------+     +-------+        +---------+    +---------+
-// | xapp2 |     | xapp1 |        | submgr  |    | e2term  |
-// +-------+     +-------+        +---------+    +---------+
-//     |             |                 |              |
-//     |             | RESTSubReq1     |              |
-//     |             |---------------->|              |
-//     |             |                 |              |
-//     |             |    RESTSubResp1 |              |
-//     |             |<----------------|              |
-//     |             |                 |              |
-//     |             |                 | SubReq1      |
-//     |             |                 |------------->|
-//     |             |                 |    SubResp1  |
-//     |             |                 |<-------------|
-//     |             |      RESTNotif1 |              |
-//     |             |<----------------|              |
-//     |             |                 |              |
-//     | RESTSubReq2                   |              |
-//     |------------------------------>|              |
-//     |             |                 |              |
-//     |                  RESTSubResp2 |              |
-//     |<------------------------------|              |
-//     |             |                 |              |
-//     |             |      RESTNotif2 |              |
-//     |<------------------------------|              |
-//     |             |                 |              |
-//     |             |           Submgr restart       |
-//     |             |                 |              |
-//     |             | RESTSubDelReq1  |              |
-//     |             |---------------->|              |
-//     |             |                 |              |
-//     |             | RESTSubDelResp1 |              |
-//     |             |<----------------|              |
-//     |             |                 |              |
-//     |             |           Submgr restart       |
-//     |             |                 |              |
-//     | RESTSubDelReq2                |              |
-//     |------------------------------>|              |
-//     |             |                 |              |
-//     |               RESTSubDelResp2 |              |
-//     |<------------------------------|              |
-//     |             |                 |              |
-//     |             |                 | SubDelReq2   |
-//     |             |                 |------------->|
-//     |             |                 |              |
-//     |             |                 |  SubDelResp2 |
-//     |             |                 |<-------------|
-//     |             |                 |              |
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+
+       // Wait that subs is cleaned
+       mainCtrl.wait_subs_clean(t, orgInstanceId, 10)
+
+       xappConn1.TestMsgChanEmpty(t)
+       e2termConn1.TestMsgChanEmpty(t)
+       mainCtrl.wait_registry_empty(t, 10)
+       mainCtrl.VerifyAllClean(t)
+       mainCtrl.VerifyCounterValues(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTUnpackSubscriptionResponseNoTransaction
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RestSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubResp | No transaction for the response
+//     |                 |<-------------| Ongoing transaction not found. This will result timer expiry and resending
+//     |                 |              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubFail | Duplicated action
+//     |                 |<-------------|Ongoing transaction not found. This will result timer expiry and sending delete
+//     | RESTNotif (fail)|              |
+//     |<----------------|              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------| Ongoing transaction not found. This will result timer expiry and resending
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------| Ongoing transaction not found.
+//     |                 |              |
+//     |           [SUBS DELETE]        |
+//     |                 |              |
 //
 //-----------------------------------------------------------------------------
-func TestRESTSubReqAndSubDelOkSameActionWithRestartsInMiddle(t *testing.T) {
-       CaseBegin("TestRESTSubReqAndSubDelOkSameActionWithRestartsInMiddle")
+
+func TestRESTUnpackSubscriptionResponseNoTransaction(t *testing.T) {
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 2},
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
                Counter{cSubReqToE2, 1},
+               Counter{cSubReqTimerExpiry, 2},
+               Counter{cSubReReqToE2, 1},
                Counter{cSubRespFromE2, 1},
-               Counter{cSubRespToXapp, 2},
-               Counter{cMergedSubscriptions, 1},
-               Counter{cUnmergedSubscriptions, 1},
-               Counter{cSubDelReqFromXapp, 2},
+               Counter{cSubFailFromE2, 1},
+               Counter{cRestSubFailNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
                Counter{cSubDelReqToE2, 1},
-               Counter{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 2},
+               Counter{cSubDelReqTimerExpiry, 2},
+               Counter{cSubDelReReqToE2, 1},
+               Counter{cSubDelRespFromE2, 2},
        })
 
-       // Remove possible existing subscription
-       mainCtrl.removeExistingSubscriptions(t)
+       const subReqCount int = 1
 
-       var params *teststube2ap.RESTSubsReqParams = nil
+       // Req
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
 
-       // Create subscription 1
-       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriber 1 : %v", restSubId1)
+       crereq, cremsg := e2termConn1.RecvSubsReq(t)
 
-       // Create subscription 2 with same action
-       params = xappConn2.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       params.SetMeid("RAN_NAME_1")
-       xapp.Subscription.SetResponseCB(xappConn2.SubscriptionRespHandler)
-       xappConn2.WaitRESTNotificationForAnySubscriptionId(t)
-       restSubId2 := xappConn2.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId2)
-       e2SubsId2 := <-xappConn2.RESTNotification
-       xapp.Logger.Info("REST notification received e2SubsId=%v", e2SubsId2)
+       mainCtrl.MakeTransactionNil(t, crereq.RequestId.InstanceId)
+       // No transaction exist for this response which will result resending original request
+       e2termConn1.SendSubsResp(t, crereq, cremsg)
 
-       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560", "localhost:13660"})
+       _, cremsg = e2termConn1.RecvSubsReq(t)
 
-       // When SDL support for the REST Interface is added
-       // the submgr restart statement below should be removed
-       // from the comment.
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
 
-       //      mainCtrl.SimulateRestart(t)
-       //      xapp.Logger.Debug("mainCtrl.SimulateRestart done")
+       // Subscription already created in E2 Node.
+       fparams := &teststube2ap.E2StubSubsFailParams{}
+       fparams.Set(crereq)
+       fparams.SetCauseVal(0, 1, 3) // CauseRIC / duplicate-action
+       e2termConn1.SendSubsFail(t, fparams, cremsg)
 
-       // Delete subscription 1, and wait until it has removed the first endpoint
-       subepcnt := mainCtrl.get_subs_entrypoint_cnt(t, e2SubsId1)
-       xappConn1.SendRESTSubsDelReq(t, &restSubId1)
-       mainCtrl.wait_subs_entrypoint_cnt_change(t, e2SubsId1, subepcnt, 10)
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
 
-       // When SDL support for the REST Interface is added
-       // the submgr restart statement below should be removed
-       // from the comment.
+       // Resending happens because there no transaction
+       delreq, delmsg = e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
 
-       //      mainCtrl.SimulateRestart(t)
-       //      xapp.Logger.Debug("mainCtrl.SimulateRestart done")
-       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13660"})
+       instanceId := xappConn1.WaitRESTNotification(t, restSubId)
+       xapp.Logger.Debug("TEST: REST notification received e2SubsId=%v", instanceId)
 
-       // Delete subscription 2
-       deleteXapp2Subscription(t, &restSubId2)
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
 
-       //Wait that subs is cleaned
-       waitSubsCleanup(t, e2SubsId2, 10)
+       // Wait that subs is cleaned
+       mainCtrl.wait_subs_clean(t, crereq.RequestId.InstanceId, 10)
 
+       xappConn1.TestMsgChanEmpty(t)
+       e2termConn1.TestMsgChanEmpty(t)
+       mainCtrl.wait_registry_empty(t, 10)
+       mainCtrl.VerifyAllClean(t)
        mainCtrl.VerifyCounterValues(t)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTReportSubReqAndSubDelOk
+// TestRESTUnpackSubscriptionFailureDecodeFail
 //
 //   stub                             stub
 // +-------+        +---------+    +---------+
@@ -4223,732 +7823,1094 @@ func TestRESTSubReqAndSubDelOkSameActionWithRestartsInMiddle(t *testing.T) {
 //     |                 | SubReq       |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |      SubResp |
-//     |                 |<-------------|
-//     | RESTNotif       |              |
-//     |<----------------|              |
+//     |                 |      SubFail | ASN.1 decode fails
+//     |                 |<-------------| Decode failed. More data needed. This will result timer expiry and resending
+//     |                 |              |
 //     |                 | SubReq       |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |      SubResp |
+//     |                 |      SubFail | Duplicated action
 //     |                 |<-------------|
-//     | RESTNotif       |              |
+//     | RESTNotif (fail)|              |
 //     |<----------------|              |
-//     |       ...       |     ...      |
-//     |                 |              |
-//     |                 |              |
-//     | RESTSubDelReq   |              |
-//     |---------------->|              |
-//     |                 |              |
-//     |                 | SubDelReq    |
-//     |                 |------------->|
 //     |                 |              |
-//     |                 |   SubDelResp |
-//     |                 |<-------------|
+//     |           [SUBS DELETE]        |
 //     |                 |              |
-//     |   RESTSubDelResp|              |
-//     |<----------------|              |
 //
 //-----------------------------------------------------------------------------
-func TestRESTReportSubReqAndSubDelOk(t *testing.T) {
-       CaseBegin("TestRESTReportSubReqAndSubDelOk")
-       subReqCount := 1
-       parameterSet := 1 // E2SM-gNB-X2
-       actionDefinitionPresent := true
-       actionParamCount := 1
-       testIndex := 1
-       RESTReportSubReqAndSubDelOk(t, subReqCount, parameterSet, actionDefinitionPresent, actionParamCount, testIndex)
-}
 
-func RESTReportSubReqAndSubDelOk(t *testing.T, subReqCount int, parameterSet int, actionDefinitionPresent bool, actionParamCount int, testIndex int) {
-       xapp.Logger.Info("TEST: TestRESTReportSubReqAndSubDelOk with parameter set %v", testIndex)
+func TestRESTUnpackSubscriptionFailureDecodeFail(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubReqTimerExpiry, 1},
+               Counter{cSubReReqToE2, 1},
+               Counter{cSubFailFromE2, 2},
+               Counter{cRestSubFailNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       const subReqCount int = 1
 
        // Req
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
        restSubId := xappConn1.SendRESTSubsReq(t, params)
 
-       var e2SubsId []uint32
-       for i := 0; i < subReqCount; i++ {
-               crereq, cremsg := e2termConn1.RecvSubsReq(t)
-               xappConn1.ExpectRESTNotification(t, restSubId)
+       crereq, cremsg := e2termConn1.RecvSubsReq(t)
 
-               e2termConn1.SendSubsResp(t, crereq, cremsg)
-               instanceId := xappConn1.WaitRESTNotification(t, restSubId)
-               xapp.Logger.Info("TEST: REST notification received e2SubsId=%v", instanceId)
-               e2SubsId = append(e2SubsId, instanceId)
-               resp, _ := xapp.Subscription.QuerySubscriptions()
-               assert.Equal(t, resp[i].SubscriptionID, (int64)(instanceId))
-               assert.Equal(t, resp[i].Meid, "RAN_NAME_1")
-               assert.Equal(t, resp[i].ClientEndpoint, []string{"localhost:13560"})
+       // Decode of this response fails which will result resending original request
+       e2termConn1.SendInvalidE2Asn1Resp(t, cremsg, xapp.RIC_SUB_FAILURE)
 
-       }
+       _, cremsg = e2termConn1.RecvSubsReq(t)
 
-       // Del
-       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
 
-       for i := 0; i < subReqCount; i++ {
-               delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
-               e2termConn1.SendSubsDelResp(t, delreq, delmsg)
-       }
+       // Subscription already created in E2 Node.
+       fparams := &teststube2ap.E2StubSubsFailParams{}
+       fparams.Set(crereq)
+       fparams.SetCauseVal(0, 1, 3) // CauseRIC / duplicate-action
+       e2termConn1.SendSubsFail(t, fparams, cremsg)
+
+       instanceId := xappConn1.WaitRESTNotification(t, restSubId)
+       xapp.Logger.Debug("TEST: REST notification received e2SubsId=%v", instanceId)
+
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
 
        // Wait that subs is cleaned
-       for i := 0; i < subReqCount; i++ {
-               mainCtrl.wait_subs_clean(t, e2SubsId[i], 10)
-       }
+       mainCtrl.wait_subs_clean(t, crereq.RequestId.InstanceId, 10)
 
        xappConn1.TestMsgChanEmpty(t)
        e2termConn1.TestMsgChanEmpty(t)
        mainCtrl.wait_registry_empty(t, 10)
+       mainCtrl.VerifyAllClean(t)
+       mainCtrl.VerifyCounterValues(t)
 }
 
-/*
-func TestRESTPolicySubReqAndSubDelOk(t *testing.T) {
-       CaseBegin("TestRESTPolicySubReqAndSubDelOk")
+//-----------------------------------------------------------------------------
+// TestRESTUnpackSubscriptionResponseUnknownInstanceId
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RestSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubFail | Unknown instanceId
+//     |                 |<-------------| No valid subscription found with subIds [0]. This will result timer expiry and resending
+//     |                 |              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubFail | Duplicated action
+//     |                 |<-------------|No valid subscription found with subIds [0]. This will result timer expiry and sending delete
+//     | RESTNotif (fail)|              |
+//     |<----------------|              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------|
+//     |                 |              |
+//     |           [SUBS DELETE]        |
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+func TestRESTUnpackSubscriptionFailureUnknownInstanceId(t *testing.T) {
 
-       subReqCount := 2
-       actionDefinitionPresent := true
-       policyParamCount := 1
-       testIndex := 1
-       RESTPolicySubReqAndSubDelOk(t, subReqCount, actionDefinitionPresent, policyParamCount, testIndex)
+       const subReqCount int = 1
 
-       subReqCount = 19
-       actionDefinitionPresent = false
-       policyParamCount = 0
-       testIndex = 2
-       RESTPolicySubReqAndSubDelOk(t, subReqCount, actionDefinitionPresent, policyParamCount, testIndex)
-}
-*/
-func RESTPolicySubReqAndSubDelOk(t *testing.T, subReqCount int, actionDefinitionPresent bool, policyParamCount int, testIndex int) {
-       xapp.Logger.Info("TEST: TestRESTPolicySubReqAndSubDelOk with parameter set %v", testIndex)
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubReqTimerExpiry, 2},
+               Counter{cSubReReqToE2, 1},
+               Counter{cSubFailFromE2, 2},
+               Counter{cRestSubFailNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+       })
 
        // Req
-       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount, actionDefinitionPresent, policyParamCount)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
        restSubId := xappConn1.SendRESTSubsReq(t, params)
-       //params := xappConn1.GetRESTSubsReqPolicyParams1(subReqCount, actionDefinitionPresent, policyParamCount)
-       //restSubId := xappConn1.SendRESTPolicySubsReq(t, params)
 
-       var e2SubsId []uint32
-       for i := 0; i < subReqCount; i++ {
-               crereq, cremsg := e2termConn1.RecvSubsReq(t)
-               xappConn1.ExpectRESTNotification(t, restSubId)
-               e2termConn1.SendSubsResp(t, crereq, cremsg)
-               instanceId := xappConn1.WaitRESTNotification(t, restSubId)
-               xapp.Logger.Info("TEST: REST notification received e2SubsId=%v", instanceId)
-               e2SubsId = append(e2SubsId, instanceId)
-       }
+       crereq, cremsg := e2termConn1.RecvSubsReq(t)
 
-       // Del
-       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       // Unknown instanceId 0 in this response which will result resending original request
+       fparams := &teststube2ap.E2StubSubsFailParams{}
+       fparams.Set(crereq)
+       fparams.Fail.RequestId.InstanceId = 0
+       e2termConn1.SendSubsFail(t, fparams, cremsg)
 
-       for i := 0; i < subReqCount; i++ {
-               delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
-               e2termConn1.SendSubsDelResp(t, delreq, delmsg)
-       }
+       _, cremsg = e2termConn1.RecvSubsReq(t)
+
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
+
+       // Subscription already created in E2 Node. E2 Node responds with failure but there is also same unknown instanceId 0
+       fparams.SetCauseVal(0, 1, 3) // CauseRIC / duplicate-action
+       e2termConn1.SendSubsFail(t, fparams, cremsg)
+
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+
+       instanceId := xappConn1.WaitRESTNotification(t, restSubId)
+       xapp.Logger.Debug("TEST: REST notification received e2SubsId=%v", instanceId)
+
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
 
        // Wait that subs is cleaned
-       for i := 0; i < subReqCount; i++ {
-               mainCtrl.wait_subs_clean(t, e2SubsId[i], 10)
-       }
+       mainCtrl.wait_subs_clean(t, crereq.RequestId.InstanceId, 10)
+
        xappConn1.TestMsgChanEmpty(t)
        e2termConn1.TestMsgChanEmpty(t)
        mainCtrl.wait_registry_empty(t, 10)
+       mainCtrl.VerifyAllClean(t)
+       mainCtrl.VerifyCounterValues(t)
 }
 
-func TestRESTTwoPolicySubReqAndSubDelOk(t *testing.T) {
-
-       subReqCount := 2
-
-       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 1},
-               Counter{cSubReqToE2, 2},
-               Counter{cSubRespFromE2, 2},
-               Counter{cSubRespToXapp, 2},
-               Counter{cSubDelReqFromXapp, 1},
-               Counter{cSubDelReqToE2, 2},
+//-----------------------------------------------------------------------------
+// TestRESTUnpackSubscriptionFailureNoTransaction
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RestSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubFail | No transaction for the response
+//     |                 |<-------------| Ongoing transaction not found. This will result timer expiry and resending
+//     |                 |              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubFail | Duplicated action
+//     |                 |<-------------| Ongoing transaction not found. This will result timer expiry and sending delete
+//     | RESTNotif (fail)|              |
+//     |<----------------|              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------| Ongoing transaction not found. This will result timer expiry and resending
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------| Ongoing transaction not found.
+//     |                 |              |
+//     |           [SUBS DELETE]        |
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTUnpackSubscriptionFailureNoTransaction(t *testing.T) {
+
+       const subReqCount int = 1
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubReqTimerExpiry, 2},
+               Counter{cSubReReqToE2, 1},
+               Counter{cSubFailFromE2, 2},
+               Counter{cRestSubFailNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelReqTimerExpiry, 2},
+               Counter{cSubDelReReqToE2, 1},
                Counter{cSubDelRespFromE2, 2},
-               Counter{cSubDelRespToXapp, 1},
        })
 
        // Req
-       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount, actionDefinitionPresent, policyParamCount)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
        restSubId := xappConn1.SendRESTSubsReq(t, params)
-       e2SubsIds := sendAndReceiveMultipleE2SubReqs(t, subReqCount, xappConn1, e2termConn1, restSubId)
 
-       assert.Equal(t, len(e2SubsIds), 2)
+       crereq, cremsg := e2termConn1.RecvSubsReq(t)
 
-       // Del
-       xappConn1.SendRESTSubsDelReq(t, &restSubId)
-       sendAndReceiveMultipleE2DelReqs(t, e2SubsIds, e2termConn1)
+       mainCtrl.MakeTransactionNil(t, crereq.RequestId.InstanceId)
 
-       xappConn1.TestMsgChanEmpty(t)
-       e2termConn1.TestMsgChanEmpty(t)
-       mainCtrl.wait_registry_empty(t, 10)
+       // No transaction exist for this response which will result resending original request
+       fparams := &teststube2ap.E2StubSubsFailParams{}
+       fparams.Set(crereq)
+       e2termConn1.SendSubsFail(t, fparams, cremsg)
 
-       mainCtrl.VerifyCounterValues(t)
-}
-func TestRESTPolicySubReqAndSubDelOkFullAmount(t *testing.T) {
+       _, cremsg = e2termConn1.RecvSubsReq(t)
 
-       subReqCount := 19
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
 
-       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 1},
-               Counter{cSubReqToE2, 19},
-               Counter{cSubRespFromE2, 19},
-               Counter{cSubRespToXapp, 19},
-               Counter{cSubDelReqFromXapp, 1},
-               Counter{cSubDelReqToE2, 19},
-               Counter{cSubDelRespFromE2, 19},
-               Counter{cSubDelRespToXapp, 1},
-       })
+       // Subscription already created in E2 Node.
+       fparams.SetCauseVal(0, 1, 3) // CauseRIC / duplicate-action
+       e2termConn1.SendSubsFail(t, fparams, cremsg)
 
-       // Req
-       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount, actionDefinitionPresent, policyParamCount)
-       restSubId := xappConn1.SendRESTSubsReq(t, params)
-       e2SubsIds := sendAndReceiveMultipleE2SubReqs(t, subReqCount, xappConn1, e2termConn1, restSubId)
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
 
-       assert.Equal(t, len(e2SubsIds), 19)
+       // Resending happens because there no transaction
+       delreq, delmsg = e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+
+       instanceId := xappConn1.WaitRESTNotification(t, restSubId)
+       xapp.Logger.Debug("TEST: REST notification received e2SubsId=%v", instanceId)
 
        xappConn1.SendRESTSubsDelReq(t, &restSubId)
-       sendAndReceiveMultipleE2DelReqs(t, e2SubsIds, e2termConn1)
+
+       // Wait that subs is cleaned
+       mainCtrl.wait_subs_clean(t, crereq.RequestId.InstanceId, 10)
 
        xappConn1.TestMsgChanEmpty(t)
        e2termConn1.TestMsgChanEmpty(t)
        mainCtrl.wait_registry_empty(t, 10)
-
+       mainCtrl.VerifyAllClean(t)
        mainCtrl.VerifyCounterValues(t)
 }
-func TestRESTTwoReportSubReqAndSubDelOk(t *testing.T) {
 
-       subReqCount := 2
-       parameterSet := 1
-       actionDefinitionPresent := true
-       actionParamCount := 1
+//-----------------------------------------------------------------------------
+// TestRESTUnpackSubscriptionDeleteResponseDecodeFail
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     |            [SUBS CREATE]       |
+//     |                 |              |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |  RESTSubDelResp |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp | ASN.1 decode fails.
+//     |                 |<-------------| Decode failed. More data needed. This will result timer expiry and resending
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelFail | Subscription does exist any more in E2 node
+//     |                 |<-------------|
+//     |                 |              |
+//     |           [SUBS DELETE]        |
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTUnpackSubscriptionDeleteResponseDecodeFail(t *testing.T) {
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 1},
-               Counter{cSubReqToE2, uint64(subReqCount)},
-               Counter{cSubRespFromE2, uint64(subReqCount)},
-               Counter{cSubRespToXapp, uint64(subReqCount)},
-               Counter{cSubDelReqFromXapp, 1},
-               Counter{cSubDelReqToE2, uint64(subReqCount)},
-               Counter{cSubDelRespFromE2, uint64(subReqCount)},
-               Counter{cSubDelRespToXapp, 1},
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelReqTimerExpiry, 1},
+               Counter{cSubDelReReqToE2, 1},
+               Counter{cSubDelFailFromE2, 1},
+               Counter{cSubDelRespFromE2, 1},
        })
 
        // Req
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       restSubId := xappConn1.SendRESTSubsReq(t, params)
-       e2SubsIds := sendAndReceiveMultipleE2SubReqs(t, subReqCount, xappConn1, e2termConn1, restSubId)
-
-       assert.Equal(t, len(e2SubsIds), subReqCount)
+       var params *teststube2ap.RESTSubsReqParams = nil
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
 
        // Del
        xappConn1.SendRESTSubsDelReq(t, &restSubId)
-       sendAndReceiveMultipleE2DelReqs(t, e2SubsIds, e2termConn1)
 
-       xappConn1.TestMsgChanEmpty(t)
-       e2termConn1.TestMsgChanEmpty(t)
-       mainCtrl.wait_registry_empty(t, 10)
-
-       mainCtrl.VerifyCounterValues(t)
-}
-
-func TestRESTTwoReportSubReqAndSubDelOkNoActParams(t *testing.T) {
-
-       subReqCount := 2
-       parameterSet := 1
-       actionDefinitionPresent := false
-       actionParamCount := 0
+       // E2t: Receive 1st SubsDelReq
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
 
-       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 1},
-               Counter{cSubReqToE2, uint64(subReqCount)},
-               Counter{cSubRespFromE2, uint64(subReqCount)},
-               Counter{cSubRespToXapp, uint64(subReqCount)},
-               Counter{cSubDelReqFromXapp, 1},
-               Counter{cSubDelReqToE2, uint64(subReqCount)},
-               Counter{cSubDelRespFromE2, uint64(subReqCount)},
-               Counter{cSubDelRespToXapp, 1},
-       })
+       // Decode of this response fails which will result resending original request
+       e2termConn1.SendInvalidE2Asn1Resp(t, delmsg, xapp.RIC_SUB_DEL_RESP)
 
-       // Req
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       restSubId := xappConn1.SendRESTSubsReq(t, params)
-       e2SubsIds := sendAndReceiveMultipleE2SubReqs(t, subReqCount, xappConn1, e2termConn1, restSubId)
+       // E2t: Receive 2nd SubsDelReq and send SubsDelResp
+       delreq, delmsg = e2termConn1.RecvSubsDelReq(t)
 
-       assert.Equal(t, len(e2SubsIds), subReqCount)
+       // Subscription does not exist in in E2 Node.
+       e2termConn1.SendSubsDelFail(t, delreq, delmsg)
 
-       // Del
-       xappConn1.SendRESTSubsDelReq(t, &restSubId)
-       sendAndReceiveMultipleE2DelReqs(t, e2SubsIds, e2termConn1)
+       // Wait that subs is cleaned
+       mainCtrl.wait_subs_clean(t, e2SubsId, 10)
 
        xappConn1.TestMsgChanEmpty(t)
        e2termConn1.TestMsgChanEmpty(t)
        mainCtrl.wait_registry_empty(t, 10)
-
+       mainCtrl.VerifyAllClean(t)
        mainCtrl.VerifyCounterValues(t)
 }
 
-func TestRESTFullAmountReportSubReqAndSubDelOk(t *testing.T) {
+//-----------------------------------------------------------------------------
+// TestRESTUnpackSubscriptionDeleteResponseUnknownInstanceId
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     |            [SUBS CREATE]       |
+//     |                 |              |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |  RESTSubDelResp |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp | Unknown instanceId
+//     |                 |<-------------| No valid subscription found with subIds [0]. This will result timer expiry and resending
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelFail | Subscription does exist any more in E2 node
+//     |                 |<-------------|
+//     |                 |              |
+//     |           [SUBS DELETE]        |
+//     |                 |              |
+//-----------------------------------------------------------------------------
 
-       subReqCount := 19
-       parameterSet := 1
-       actionDefinitionPresent := false
-       actionParamCount := 0
+func TestRESTUnpackSubscriptionDeleteResponseUnknownInstanceId(t *testing.T) {
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 1},
-               Counter{cSubReqToE2, uint64(subReqCount)},
-               Counter{cSubRespFromE2, uint64(subReqCount)},
-               Counter{cSubRespToXapp, uint64(subReqCount)},
-               Counter{cSubDelReqFromXapp, 1},
-               Counter{cSubDelReqToE2, uint64(subReqCount)},
-               Counter{cSubDelRespFromE2, uint64(subReqCount)},
-               Counter{cSubDelRespToXapp, 1},
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelReqTimerExpiry, 1},
+               Counter{cSubDelReReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cSubDelFailFromE2, 1},
        })
 
        // Req
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       restSubId := xappConn1.SendRESTSubsReq(t, params)
-       e2SubsIds := sendAndReceiveMultipleE2SubReqs(t, subReqCount, xappConn1, e2termConn1, restSubId)
-
-       assert.Equal(t, len(e2SubsIds), subReqCount)
+       var params *teststube2ap.RESTSubsReqParams = nil
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
 
        // Del
        xappConn1.SendRESTSubsDelReq(t, &restSubId)
-       sendAndReceiveMultipleE2DelReqs(t, e2SubsIds, e2termConn1)
+
+       // E2t: Receive 1st SubsDelReq
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+
+       // Unknown instanceId in this response which will result resending original request
+       delreq.RequestId.InstanceId = 0
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+
+       // E2t: Receive 2nd SubsDelReq
+       delreq, delmsg = e2termConn1.RecvSubsDelReq(t)
+
+       // Subscription does not exist in in E2 Node.
+       e2termConn1.SendSubsDelFail(t, delreq, delmsg)
+
+       // Wait that subs is cleaned
+       mainCtrl.wait_subs_clean(t, e2SubsId, 10)
 
        xappConn1.TestMsgChanEmpty(t)
        e2termConn1.TestMsgChanEmpty(t)
        mainCtrl.wait_registry_empty(t, 10)
-
+       mainCtrl.VerifyAllClean(t)
        mainCtrl.VerifyCounterValues(t)
 }
 
-func TestRESTSubReqReportSameActionDiffEventTriggerDefinitionLen(t *testing.T) {
-       CaseBegin("TestRESTSubReqReportSameActionDiffEventTriggerDefinitionLen")
+//-----------------------------------------------------------------------------
+// TestRESTUnpackSubscriptionDeleteResponseNoTransaction
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     |            [SUBS CREATE]       |
+//     |                 |              |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |  RESTSubDelResp |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp | No transaction for the response
+//     |                 |<-------------| Ongoing transaction not found. This will result timer expiry and resending
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelFail | Subscription does exist any more in E2 node
+//     |                 |<-------------| Ongoing transaction not found. This will result timer expiry
+//     |                 |              |
+//     |           [SUBS DELETE]        |
+//     |                 |              |
+//-----------------------------------------------------------------------------
+
+func TestRESTUnpackSubscriptionDeleteResponseNoTransaction(t *testing.T) {
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 2},
-               Counter{cSubReqToE2, 2},
-               Counter{cSubRespFromE2, 2},
-               Counter{cSubRespToXapp, 2},
-               Counter{cSubDelReqFromXapp, 2},
-               Counter{cSubDelReqToE2, 2},
-               Counter{cSubDelRespFromE2, 2},
-               Counter{cSubDelRespToXapp, 2},
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelReqTimerExpiry, 2},
+               Counter{cSubDelReReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cSubDelFailFromE2, 1},
        })
 
-       // Req1
+       // Req
        var params *teststube2ap.RESTSubsReqParams = nil
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
 
-       //Subs Create
-       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId1)
+       // Del
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
 
-       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560"})
+       // E2t: Receive 1st SubsDelReq
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
 
-       // Req2
-       params = xappConn2.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       params.SetMeid("RAN_NAME_1")
-       eventTriggerDefinition := "1234"
-       params.SetSubEventTriggerDefinition(eventTriggerDefinition)
+       mainCtrl.MakeTransactionNil(t, e2SubsId)
 
-       restSubId2 := xappConn2.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId2)
-       crereq, cremsg := e2termConn1.RecvSubsReq(t)
-       xappConn2.ExpectRESTNotification(t, restSubId2)
-       e2termConn1.SendSubsResp(t, crereq, cremsg)
-       e2SubsId2 := xappConn2.WaitRESTNotification(t, restSubId2)
+       // No transaction exist for this response which will result resending original request
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
 
-       deleteXapp1Subscription(t, &restSubId1)
-       deleteXapp2Subscription(t, &restSubId2)
+       // E2t: Receive 2nd SubsDelReq
+       delreq, delmsg = e2termConn1.RecvSubsDelReq(t)
+
+       // Subscription does not exist in in E2 Node.
+       e2termConn1.SendSubsDelFail(t, delreq, delmsg)
 
-       waitSubsCleanup(t, e2SubsId1, 10)
-       waitSubsCleanup(t, e2SubsId2, 10)
+       // Wait that subs is cleaned
+       mainCtrl.wait_subs_clean(t, e2SubsId, 10)
 
+       xappConn1.TestMsgChanEmpty(t)
+       e2termConn1.TestMsgChanEmpty(t)
+       mainCtrl.wait_registry_empty(t, 10)
+       mainCtrl.VerifyAllClean(t)
        mainCtrl.VerifyCounterValues(t)
-
 }
 
-func TestRESTSubReqReportSameActionDiffActionListLen(t *testing.T) {
-       CaseBegin("TestRESTSubReqReportSameActionDiffActionListLen")
+//-----------------------------------------------------------------------------
+// TestRESTUnpackSubscriptionDeleteFailureDecodeFail
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     |            [SUBS CREATE]       |
+//     |                 |              |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |  RESTSubDelResp |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelFail | ASN.1 decode fails
+//     |                 |<-------------| Decode failed. More data needed. This will result timer expiry and resending
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelFail | Subscription does exist any more in E2 node
+//     |                 |<-------------|
+//     |                 |              |
+//     |           [SUBS DELETE]        |
+//     |                 |              |
+//-----------------------------------------------------------------------------
+
+func TestRESTUnpackSubscriptionDeleteFailureDecodeFail(t *testing.T) {
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 2},
-               Counter{cSubReqToE2, 2},
-               Counter{cSubRespFromE2, 2},
-               Counter{cSubRespToXapp, 2},
-               Counter{cSubDelReqFromXapp, 2},
-               Counter{cSubDelReqToE2, 2},
-               Counter{cSubDelRespFromE2, 2},
-               Counter{cSubDelRespToXapp, 2},
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelReqTimerExpiry, 1},
+               Counter{cSubDelReReqToE2, 1},
+               Counter{cSubDelFailFromE2, 2},
        })
 
-       // Req1
+       // Req
        var params *teststube2ap.RESTSubsReqParams = nil
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
 
-       //Subs Create
-       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId1)
-
-       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560"})
+       // Del
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
 
-       // Req2
-       params = xappConn2.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       params.SetMeid("RAN_NAME_1")
+       // E2t: Receive 1st SubsDelReq
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
 
-       actionId := int64(1)
-       actionType := "report"
-       actionDefinition := "56781"
-       subsequestActionType := "continue"
-       timeToWait := "w10ms"
-       params.AppendActionToActionToBeSetupList(actionId, actionType, actionDefinition, subsequestActionType, timeToWait)
+       // Decode of this response fails which will result resending original request
+       e2termConn1.SendInvalidE2Asn1Resp(t, delmsg, xapp.RIC_SUB_DEL_FAILURE)
 
-       restSubId2 := xappConn2.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId2)
-       crereq, cremsg := e2termConn1.RecvSubsReq(t)
-       xappConn2.ExpectRESTNotification(t, restSubId2)
-       e2termConn1.SendSubsResp(t, crereq, cremsg)
-       e2SubsId2 := xappConn2.WaitRESTNotification(t, restSubId2)
+       // E2t: Receive 2nd SubsDelReq and send SubsDelResp
+       delreq, delmsg = e2termConn1.RecvSubsDelReq(t)
 
-       deleteXapp1Subscription(t, &restSubId1)
-       deleteXapp2Subscription(t, &restSubId2)
+       // Subscription does not exist in in E2 Node.
+       e2termConn1.SendSubsDelFail(t, delreq, delmsg)
 
-       waitSubsCleanup(t, e2SubsId1, 10)
-       waitSubsCleanup(t, e2SubsId2, 10)
+       // Wait that subs is cleaned
+       mainCtrl.wait_subs_clean(t, e2SubsId, 10)
 
+       xappConn1.TestMsgChanEmpty(t)
+       e2termConn1.TestMsgChanEmpty(t)
+       mainCtrl.wait_registry_empty(t, 10)
+       mainCtrl.VerifyAllClean(t)
        mainCtrl.VerifyCounterValues(t)
-
 }
 
-func TestRESTSubReqReportSameActionDiffActionID(t *testing.T) {
-       CaseBegin("TestRESTSubReqReportSameActionDiffActionID")
+//-----------------------------------------------------------------------------
+// TestRESTUnpackSubscriptionDeleteailureUnknownInstanceId
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     |            [SUBS CREATE]       |
+//     |                 |              |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |  RESTSubDelResp |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelFail | Unknown instanceId
+//     |                 |<-------------| No valid subscription found with subIds [0]. This will result timer expiry and resending
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelFail | Subscription does exist any more in E2 node
+//     |                 |<-------------| No valid subscription found with subIds [0].
+//     |                 |              |
+//     |           [SUBS DELETE]        |
+//     |                 |              |
+//-----------------------------------------------------------------------------
+
+func TestRESTUnpackSubscriptionDeleteailureUnknownInstanceId(t *testing.T) {
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 2},
-               Counter{cSubReqToE2, 2},
-               Counter{cSubRespFromE2, 2},
-               Counter{cSubRespToXapp, 2},
-               Counter{cSubDelReqFromXapp, 2},
-               Counter{cSubDelReqToE2, 2},
-               Counter{cSubDelRespFromE2, 2},
-               Counter{cSubDelRespToXapp, 2},
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelReqTimerExpiry, 1},
+               Counter{cSubDelReReqToE2, 1},
+               Counter{cSubDelFailFromE2, 2},
        })
 
-       // Req1
+       // Req
        var params *teststube2ap.RESTSubsReqParams = nil
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
 
-       //Subs Create
-       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId1)
+       // Del
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
 
-       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560"})
+       // E2t: Receive 1st SubsDelReq
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
 
-       // Req2
-       params = xappConn2.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       params.SetMeid("RAN_NAME_1")
-       params.SetSubActionIDs(int64(2))
+       // Unknown instanceId 0 in this response which will result resending original request
+       delreq.RequestId.InstanceId = 0
+       e2termConn1.SendSubsDelFail(t, delreq, delmsg)
 
-       restSubId2 := xappConn2.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId2)
-       crereq, cremsg := e2termConn1.RecvSubsReq(t)
-       xappConn2.ExpectRESTNotification(t, restSubId2)
-       e2termConn1.SendSubsResp(t, crereq, cremsg)
-       e2SubsId2 := xappConn2.WaitRESTNotification(t, restSubId2)
+       // E2t: Receive 2nd SubsDelReq
+       delreq, delmsg = e2termConn1.RecvSubsDelReq(t)
 
-       deleteXapp1Subscription(t, &restSubId1)
-       deleteXapp2Subscription(t, &restSubId2)
+       // Subscription does not exist in in E2 Node. E2 Node responds with failure but there is also same unknown instanceId 0
+       e2termConn1.SendSubsDelFail(t, delreq, delmsg)
 
-       waitSubsCleanup(t, e2SubsId1, 10)
-       waitSubsCleanup(t, e2SubsId2, 10)
+       // Wait that subs is cleaned
+       mainCtrl.wait_subs_clean(t, e2SubsId, 10)
 
+       xappConn1.TestMsgChanEmpty(t)
+       e2termConn1.TestMsgChanEmpty(t)
+       mainCtrl.wait_registry_empty(t, 10)
+       mainCtrl.VerifyAllClean(t)
        mainCtrl.VerifyCounterValues(t)
-
 }
 
-func TestRESTSubReqDiffActionType(t *testing.T) {
-       CaseBegin("TestRESTSubReqDiffActionType")
+//-----------------------------------------------------------------------------
+// TestRESTUnpackSubscriptionDeleteFailureNoTransaction
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     |            [SUBS CREATE]       |
+//     |                 |              |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |  RESTSubDelResp |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelFail | No transaction for the response
+//     |                 |<-------------| Ongoing transaction not found. This will result timer expiry and resending
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelFail | Subscription does exist any more in E2 node
+//     |                 |<-------------| Ongoing transaction not found. This will result timer expiry
+//     |                 |              |
+//     |           [SUBS DELETE]        |
+//     |                 |              |
+//-----------------------------------------------------------------------------
+
+func TestRESTUnpackSubscriptionDeleteFailureNoTransaction(t *testing.T) {
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 2},
-               Counter{cSubReqToE2, 2},
-               Counter{cSubRespFromE2, 2},
-               Counter{cSubRespToXapp, 2},
-               Counter{cSubDelReqFromXapp, 2},
-               Counter{cSubDelReqToE2, 2},
-               Counter{cSubDelRespFromE2, 2},
-               Counter{cSubDelRespToXapp, 2},
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelReqTimerExpiry, 2},
+               Counter{cSubDelReReqToE2, 1},
+               Counter{cSubDelFailFromE2, 2},
        })
 
-       // Req1
-       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount, actionDefinitionPresent, policyParamCount)
+       // Req
+       var params *teststube2ap.RESTSubsReqParams = nil
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
 
-       //Subs Create
-       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId1)
+       // Del
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
 
-       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560"})
+       // E2t: Receive 1st SubsDelReq
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
 
-       // Req2
-       params = xappConn2.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       params.SetMeid("RAN_NAME_1")
+       mainCtrl.MakeTransactionNil(t, e2SubsId)
 
-       restSubId2 := xappConn2.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId2)
-       crereq, cremsg := e2termConn1.RecvSubsReq(t)
-       xappConn2.ExpectRESTNotification(t, restSubId2)
-       e2termConn1.SendSubsResp(t, crereq, cremsg)
-       e2SubsId2 := xappConn2.WaitRESTNotification(t, restSubId2)
+       // No transaction exist for this response which will result resending original request
+       e2termConn1.SendSubsDelFail(t, delreq, delmsg)
 
-       deleteXapp1Subscription(t, &restSubId1)
-       deleteXapp2Subscription(t, &restSubId2)
+       // E2t: Receive 2nd SubsDelReq
+       delreq, delmsg = e2termConn1.RecvSubsDelReq(t)
 
-       waitSubsCleanup(t, e2SubsId1, 10)
-       waitSubsCleanup(t, e2SubsId2, 10)
+       // Subscription does not exist in in E2 Node.
+       e2termConn1.SendSubsDelFail(t, delreq, delmsg)
 
-       mainCtrl.VerifyCounterValues(t)
+       // Wait that subs is cleaned
+       mainCtrl.wait_subs_clean(t, e2SubsId, 10)
 
+       xappConn1.TestMsgChanEmpty(t)
+       e2termConn1.TestMsgChanEmpty(t)
+       mainCtrl.wait_registry_empty(t, 10)
+       mainCtrl.VerifyAllClean(t)
+       mainCtrl.VerifyCounterValues(t)
 }
 
-func TestRESTSubReqPolicyAndSubDelOkSameAction(t *testing.T) {
-       CaseBegin("TestRESTSubReqPolicyAndSubDelOkSameAction")
+//-----------------------------------------------------------------------------
+// TestRESTSubReqFailAsn1PackSubReqError
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |        ASN.1 encode fails      |
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |  SubDelFail  |
+//     |                 |<-------------|
+//     |                 |              |
+//     |       RESTNotif |              |
+//     |       unsuccess |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |            [SUBS DELETE]       |
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqFailAsn1PackSubReqError(t *testing.T) {
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 2},
-               Counter{cSubReqToE2, 2},
-               Counter{cSubRespFromE2, 2},
-               Counter{cSubRespToXapp, 2},
-               Counter{cSubDelReqFromXapp, 2},
-               Counter{cSubDelReqToE2, 2},
-               Counter{cSubDelRespFromE2, 2},
-               Counter{cSubDelRespToXapp, 2},
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cRestSubFailNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
-       // Req1
-       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount, actionDefinitionPresent, policyParamCount)
+       const subReqCount int = 1
 
-       //Subs Create
-       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId1)
+       var params *teststube2ap.RESTSubsReqParams = nil
+       params = xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       e2ap_wrapper.AllowE2apToProcess(e2ap_wrapper.SUB_REQ, false)
 
-       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560"})
+       // Req
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriberId : %v", restSubId)
 
-       // Req2
-       params = xappConn2.GetRESTSubsReqPolicyParams(subReqCount, actionDefinitionPresent, policyParamCount)
-       params.SetMeid("RAN_NAME_1")
+       // E2t: Receive SubsDelReq
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
 
-       restSubId2 := xappConn2.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId2)
-       crereq, cremsg := e2termConn1.RecvSubsReq(t)
-       xappConn2.ExpectRESTNotification(t, restSubId2)
-       e2termConn1.SendSubsResp(t, crereq, cremsg)
-       e2SubsId2 := xappConn2.WaitRESTNotification(t, restSubId2)
+       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
+       xapp.Logger.Debug("TEST: REST notification received e2SubsId=%v", e2SubsId)
 
-       deleteXapp1Subscription(t, &restSubId1)
-       deleteXapp2Subscription(t, &restSubId2)
+       e2ap_wrapper.AllowE2apToProcess(e2ap_wrapper.SUB_REQ, true)
 
-       waitSubsCleanup(t, e2SubsId1, 10)
-       waitSubsCleanup(t, e2SubsId2, 10)
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
 
+       // Wait that subs is cleaned
+       waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyAllClean(t)
        mainCtrl.VerifyCounterValues(t)
-
 }
 
-func TestRESTSubReqReportSameActionDiffActionDefinitionLen(t *testing.T) {
-       CaseBegin("TestRESTSubReqReportSameActionDiffActionDefinitionLen")
+//-----------------------------------------------------------------------------
+// TestRESTSubReqPolicyUpdateTimeoutAndSubDelOkSameAction
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubResp |
+//     |                 |<-------------|
+//     |                 |              |
+//     |       RESTNotif |              |
+//     |<----------------|              |
+//     |                 |              |
+//     | RESTSubReq      |              |  Policy modification
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |              |
+//     |       RESTNotif(Unsuccessful)  |  E2 timeout
+//     |<----------------|              |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------|
+//     |                 |              |
+//     |  RESTSubDelResp |              |
+//     |<----------------|              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqPolicyUpdateTimeoutAndSubDelOkSameAction(t *testing.T) {
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 2},
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
                Counter{cSubReqToE2, 2},
-               Counter{cSubRespFromE2, 2},
-               Counter{cSubRespToXapp, 2},
-               Counter{cSubDelReqFromXapp, 2},
-               Counter{cSubDelReqToE2, 2},
-               Counter{cSubDelRespFromE2, 2},
-               Counter{cSubDelRespToXapp, 2},
+               Counter{cSubReqTimerExpiry, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubFailNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
-       // Req1
-       var params *teststube2ap.RESTSubsReqParams = nil
+       const e2Timeout int64 = 1
+       const e2RetryCount int64 = 0
+       const routingNeeded bool = false
 
-       //Subs Create
-       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId1)
+       // Req1
+       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
 
-       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560"})
+       // Subs Create
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST subscribe request for subscriberId : %v", restSubId)
 
-       // Req2
-       params = xappConn2.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       params.SetMeid("RAN_NAME_1")
-       actionDefinition := "5678"
-       params.SetSubActionDefinition(actionDefinition)
+       crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
+       xappConn1.ExpectRESTNotification(t, restSubId)
+       e2termConn1.SendSubsResp(t, crereq1, cremsg1)
+       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
+       xapp.Logger.Debug("REST notification received e2SubsId=%v", e2SubsId)
 
-       restSubId2 := xappConn2.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId2)
-       crereq, cremsg := e2termConn1.RecvSubsReq(t)
-       xappConn2.ExpectRESTNotification(t, restSubId2)
-       e2termConn1.SendSubsResp(t, crereq, cremsg)
-       e2SubsId2 := xappConn2.WaitRESTNotification(t, restSubId2)
+       // Policy change
+       params = xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
+       params.SetSubscriptionID(&restSubId)
+       params.SetTimeToWait("w200ms")
+       restSubId = xappConn1.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST subscribe request for subscriberId : %v", restSubId)
 
-       deleteXapp1Subscription(t, &restSubId1)
-       deleteXapp2Subscription(t, &restSubId2)
+       crereq1, cremsg1 = e2termConn1.RecvSubsReq(t)
+       xappConn1.ExpectRESTNotification(t, restSubId)
+       // SubsResp is missing, e2SubsId will be 0
+       zeroE2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
+       xapp.Logger.Debug("TEST: REST notification received e2SubsId=%v", zeroE2SubsId)
 
-       waitSubsCleanup(t, e2SubsId1, 10)
-       waitSubsCleanup(t, e2SubsId2, 10)
+       // Del
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
 
+       waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyAllClean(t)
        mainCtrl.VerifyCounterValues(t)
-
 }
 
-func TestRESTSubReqReportSameActionDiffActionDefinitionContents(t *testing.T) {
-       CaseBegin("TestRESTSubReqReportSameActionDiffActionDefinitionContents")
+//-----------------------------------------------------------------------------
+// TestPolicyUpdateRESTSubReqAndSubDelOkWithRestartInMiddle
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubResp |
+//     |                 |<-------------|
+//     |                 |              |
+//     |       RESTNotif |              |
+//     |<----------------|              |
+//     |                 |              |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                                |
+//     |           Submgr restart       |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------|
+//     |                 |              |
+//     |  RESTSubDelResp |              |
+//     |<----------------|              |
+//
+//-----------------------------------------------------------------------------
+
+func TestPolicyUpdateRESTSubReqAndSubDelOkWithRestartInMiddle(t *testing.T) {
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 2},
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
                Counter{cSubReqToE2, 2},
-               Counter{cSubRespFromE2, 2},
-               Counter{cSubRespToXapp, 2},
-               Counter{cSubDelReqFromXapp, 2},
-               Counter{cSubDelReqToE2, 2},
-               Counter{cSubDelRespFromE2, 2},
-               Counter{cSubDelRespToXapp, 2},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
-       // Req1
-       var params *teststube2ap.RESTSubsReqParams = nil
-
-       //Subs Create
-       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId1)
-
-       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560"})
-
-       // Req2
-       params = xappConn2.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       params.SetMeid("RAN_NAME_1")
-       actionDefinition := "56782"
-       params.SetSubActionDefinition(actionDefinition)
-
-       restSubId2 := xappConn2.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId2)
-       crereq, cremsg := e2termConn1.RecvSubsReq(t)
-       xappConn2.ExpectRESTNotification(t, restSubId2)
-       e2termConn1.SendSubsResp(t, crereq, cremsg)
-       e2SubsId2 := xappConn2.WaitRESTNotification(t, restSubId2)
-
-       deleteXapp1Subscription(t, &restSubId1)
-       deleteXapp2Subscription(t, &restSubId2)
+       const e2Timeout int64 = 1
+       const e2RetryCount int64 = 0
+       const routingNeeded bool = false
 
-       waitSubsCleanup(t, e2SubsId1, 10)
-       waitSubsCleanup(t, e2SubsId2, 10)
+       // Req1
+       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
+       // Create subscription
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST subscribe request for subscriberId : %v", restSubId)
 
-       mainCtrl.VerifyCounterValues(t)
+       crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
+       xappConn1.ExpectRESTNotification(t, restSubId)
+       e2termConn1.SendSubsResp(t, crereq1, cremsg1)
+       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
+       xapp.Logger.Debug("REST notification received e2SubsId=%v", e2SubsId)
 
-}
+       // Check subscription
+       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
 
-func TestRESTSubReqReportSameActionDiffSubsAction(t *testing.T) {
-       CaseBegin("TestRESTSubReqReportSameActionDiffSubsAction")
+       // Policy change
+       params = xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
+       params.SetSubscriptionID(&restSubId)
+       params.SetTimeToWait("w200ms")
+       mainCtrl.SetResetTestFlag(t, true) // subs.DoNotWaitSubResp will be set TRUE for the subscription
+       restSubId = xappConn1.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST subscribe request for subscriberId : %v", restSubId)
 
-       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 2},
-               Counter{cSubReqToE2, 2},
-               Counter{cSubRespFromE2, 2},
-               Counter{cSubRespToXapp, 2},
-               Counter{cSubDelReqFromXapp, 2},
-               Counter{cSubDelReqToE2, 2},
-               Counter{cSubDelRespFromE2, 2},
-               Counter{cSubDelRespToXapp, 2},
-       })
+       crereq1, cremsg1 = e2termConn1.RecvSubsReq(t)
+       mainCtrl.SetResetTestFlag(t, false)
 
-       // Req1
-       var params *teststube2ap.RESTSubsReqParams = nil
+       // SubsResp is missing due to submgr restart
 
-       //Subs Create
-       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId1)
+       mainCtrl.SimulateRestart(t)
+       xapp.Logger.Debug("mainCtrl.SimulateRestart done")
 
-       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560"})
+       // ReadE2Subscriptions() for testing is running in own go routine (go mainCtrl.c.ReadE2Subscriptions())
+       // That needs to be completed before successful subscription query is possible
+       <-time.After(time.Second * 1)
 
-       // Req2
-       params = xappConn2.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       params.SetMeid("RAN_NAME_1")
-       params.SetTimeToWait("w200ms")
-       restSubId2 := xappConn2.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId2)
-       crereq, cremsg := e2termConn1.RecvSubsReq(t)
-       xappConn2.ExpectRESTNotification(t, restSubId2)
-       e2termConn1.SendSubsResp(t, crereq, cremsg)
-       e2SubsId2 := xappConn2.WaitRESTNotification(t, restSubId2)
+       // Check subscription
+       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
 
-       deleteXapp1Subscription(t, &restSubId1)
-       deleteXapp2Subscription(t, &restSubId2)
+       // Delete subscription
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
 
-       waitSubsCleanup(t, e2SubsId1, 10)
-       waitSubsCleanup(t, e2SubsId2, 10)
+       //Wait that subs is cleaned
+       waitSubsCleanup(t, e2SubsId, 10)
 
        mainCtrl.VerifyCounterValues(t)
-
+       mainCtrl.VerifyAllClean(t)
 }
 
 ////////////////////////////////////////////////////////////////////////////////////
 //   Services for UT cases
 ////////////////////////////////////////////////////////////////////////////////////
 const subReqCount int = 1
-const parameterSet = 1
-const actionDefinitionPresent bool = true
-const actionParamCount int = 1
-const policyParamCount int = 1
 const host string = "localhost"
 
 func createSubscription(t *testing.T, fromXappConn *teststube2ap.E2Stub, toE2termConn *teststube2ap.E2Stub, params *teststube2ap.RESTSubsReqParams) (string, uint32) {
        if params == nil {
-               params = fromXappConn.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
+               params = fromXappConn.GetRESTSubsReqReportParams(subReqCount)
        }
        restSubId := fromXappConn.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId)
+       xapp.Logger.Debug("Send REST subscriber request for subscriberId : %v", restSubId)
 
        crereq1, cremsg1 := toE2termConn.RecvSubsReq(t)
        fromXappConn.ExpectRESTNotification(t, restSubId)
        toE2termConn.SendSubsResp(t, crereq1, cremsg1)
        e2SubsId := fromXappConn.WaitRESTNotification(t, restSubId)
-       xapp.Logger.Info("REST notification received e2SubsId=%v", e2SubsId)
+       xapp.Logger.Debug("REST notification received e2SubsId=%v", e2SubsId)
 
        return restSubId, e2SubsId
 }
 
 func createXapp2MergedSubscription(t *testing.T, meid string) (string, uint32) {
 
-       params := xappConn2.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
+       params := xappConn2.GetRESTSubsReqReportParams(subReqCount)
        if meid != "" {
                params.SetMeid(meid)
        }
        xapp.Subscription.SetResponseCB(xappConn2.SubscriptionRespHandler)
        restSubId := xappConn2.SendRESTSubsReq(t, params)
        xappConn2.ExpectRESTNotification(t, restSubId)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId)
+       xapp.Logger.Debug("Send REST subscriber request for subscriberId : %v", restSubId)
        e2SubsId := xappConn2.WaitRESTNotification(t, restSubId)
-       xapp.Logger.Info("REST notification received e2SubsId=%v", e2SubsId)
+       xapp.Logger.Debug("REST notification received e2SubsId=%v", e2SubsId)
 
        return restSubId, e2SubsId
 }
 
 func createXapp1PolicySubscription(t *testing.T) (string, uint32) {
-       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount, actionDefinitionPresent, policyParamCount)
+
+       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
        restSubId := xappConn1.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST Policy subscriber request for subscriberId : %v", restSubId)
+       xapp.Logger.Debug("Send REST Policy subscriber request for subscriberId : %v", restSubId)
 
        crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
        xappConn1.ExpectRESTNotification(t, restSubId)
        e2termConn1.SendSubsResp(t, crereq1, cremsg1)
        e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
-       xapp.Logger.Info("REST notification received e2SubsId=%v", e2SubsId)
+       xapp.Logger.Debug("REST notification received e2SubsId=%v", e2SubsId)
 
        return restSubId, e2SubsId
 }
 
 func createXapp1ReportSubscriptionE2Fail(t *testing.T) (string, uint32) {
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
        restSubId := xappConn1.SendRESTSubsReq(t, params)
 
        crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
@@ -4960,7 +8922,7 @@ func createXapp1ReportSubscriptionE2Fail(t *testing.T) (string, uint32) {
        xappConn1.ExpectRESTNotification(t, restSubId)
        e2termConn1.SendSubsDelResp(t, delreq1, delmsg1)
        e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
-       xapp.Logger.Info("TEST: REST notification received e2SubsId=%v", e2SubsId)
+       xapp.Logger.Debug("TEST: REST notification received e2SubsId=%v", e2SubsId)
 
        return restSubId, e2SubsId
 }
@@ -4985,9 +8947,9 @@ func deleteXapp2Subscription(t *testing.T, restSubId *string) {
 
 func queryXappSubscription(t *testing.T, e2SubsId int64, meid string, endpoint []string) {
        resp, _ := xapp.Subscription.QuerySubscriptions()
-       assert.Equal(t, resp[0].SubscriptionID, e2SubsId)
-       assert.Equal(t, resp[0].Meid, meid)
-       assert.Equal(t, resp[0].ClientEndpoint, endpoint)
+       assert.Equal(t, e2SubsId, resp[0].SubscriptionID)
+       assert.Equal(t, meid, resp[0].Meid)
+       assert.Equal(t, endpoint, resp[0].ClientEndpoint)
 }
 
 func waitSubsCleanup(t *testing.T, e2SubsId uint32, timeout int) {
@@ -5005,14 +8967,14 @@ func sendAndReceiveMultipleE2SubReqs(t *testing.T, count int, fromXappConn *test
        var e2SubsId []uint32
 
        for i := 0; i < count; i++ {
-               xapp.Logger.Info("TEST: %d ===================================== BEGIN CRE ============================================", i+1)
+               xapp.Logger.Debug("TEST: %d ===================================== BEGIN CRE ============================================", i+1)
                crereq, cremsg := toE2termConn.RecvSubsReq(t)
                fromXappConn.ExpectRESTNotification(t, restSubId)
                toE2termConn.SendSubsResp(t, crereq, cremsg)
                instanceId := fromXappConn.WaitRESTNotification(t, restSubId)
                e2SubsId = append(e2SubsId, instanceId)
-               xapp.Logger.Info("TEST: %v", e2SubsId)
-               xapp.Logger.Info("TEST: %d ===================================== END CRE ============================================", i+1)
+               xapp.Logger.Debug("TEST: %v", e2SubsId)
+               xapp.Logger.Debug("TEST: %d ===================================== END CRE ============================================", i+1)
                <-time.After(100 * time.Millisecond)
        }
        return e2SubsId
@@ -5021,11 +8983,11 @@ func sendAndReceiveMultipleE2SubReqs(t *testing.T, count int, fromXappConn *test
 func sendAndReceiveMultipleE2DelReqs(t *testing.T, e2SubsIds []uint32, toE2termConn *teststube2ap.E2Stub) {
 
        for i := 0; i < len(e2SubsIds); i++ {
-               xapp.Logger.Info("TEST: %d ===================================== BEGIN DEL ============================================", i+1)
+               xapp.Logger.Debug("TEST: %d ===================================== BEGIN DEL ============================================", i+1)
                delreq, delmsg := toE2termConn.RecvSubsDelReq(t)
                toE2termConn.SendSubsDelResp(t, delreq, delmsg)
                <-time.After(1 * time.Second)
-               xapp.Logger.Info("TEST: %d ===================================== END DEL ============================================", i+1)
+               xapp.Logger.Debug("TEST: %d ===================================== END DEL ============================================", i+1)
                <-time.After(100 * time.Millisecond)
        }