RIC:1060: Change in PTL
[ric-plt/submgr.git] / pkg / control / ut_messaging_test.go
index e6d6646..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"
 )
 
+// 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.
+
 func TestSuiteSetup(t *testing.T) {
-       // The effect of this call shall endure thgough the UT suite!
-       // If this causes any issues, the previout interface can be restored
+       // 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)
 }
 
 //-----------------------------------------------------------------------------
@@ -86,6 +382,7 @@ func TestRESTSubReqAndDeleteOkWithE2apUtWrapper(t *testing.T) {
        deleteSubscription(t, xappConn1, e2termConn1, &restSubId)
 
        waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
@@ -132,10 +429,11 @@ func TestRESTSubReqAndE1apDeleteReqPackingError(t *testing.T) {
        defer e2ap_wrapper.AllowE2apToProcess(e2ap_wrapper.SUB_DEL_REQ, true)
 
        waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTSubReqAndE1apDeleteRespUnpackingError
+// TestRESTSubReqAndE2APDeleteRespUnpackingError
 //
 //   stub                             stub          stub
 // +-------+        +---------+    +---------+   +---------+
@@ -179,7 +477,7 @@ func TestRESTSubReqAndE1apDeleteReqPackingError(t *testing.T) {
 //
 //-----------------------------------------------------------------------------
 
-func TestRESTSubReqAndE1apDeleteRespUnpackingError(t *testing.T) {
+func TestRESTSubReqAndE2APDeleteRespUnpackingError(t *testing.T) {
 
        restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, nil)
 
@@ -194,6 +492,7 @@ func TestRESTSubReqAndE1apDeleteRespUnpackingError(t *testing.T) {
        defer e2ap_wrapper.AllowE2apToProcess(e2ap_wrapper.SUB_DEL_RESP, true)
 
        waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
@@ -391,7 +690,6 @@ func TestSubDelReqAndRouteDeleteNok(t *testing.T) {
        xappConn2.TestMsgChanEmpty(t)
        e2termConn1.TestMsgChanEmpty(t)
        mainCtrl.wait_registry_empty(t, 10)
-
        mainCtrl.VerifyCounterValues(t)
 }
 
@@ -451,6 +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},
@@ -459,6 +758,7 @@ func TestSubMergeDelAndRouteUpdateNok(t *testing.T) {
                Counter{cSubDelReqToE2, 1},
                Counter{cSubDelRespFromE2, 1},
                Counter{cSubDelRespToXapp, 2},
+               Counter{cUnmergedSubscriptions, 1},
        })
 
        //Req1
@@ -582,54 +882,80 @@ 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
+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()
+       }
 
-       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)
+       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"})
 
-       //Subs Delete
        deltrans := xappConn1.SendSubsDelReq(t, nil, e2SubsId)
        delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+
        e2termConn1.SendSubsDelResp(t, delreq, delmsg)
        xappConn1.RecvSubsDelResp(t, deltrans)
 
@@ -640,31 +966,97 @@ func TestSubReqRetransmission(t *testing.T) {
        xappConn2.TestMsgChanEmpty(t)
        e2termConn1.TestMsgChanEmpty(t)
        mainCtrl.wait_registry_empty(t, 10)
+
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.c.e2ap.SetE2IEOrderCheck(1)
 }
 
 //-----------------------------------------------------------------------------
-// TestSubDelReqRetransmission
+
+//-----------------------------------------------------------------------------
+// TestSubReqRetransmission
 //
 //   stub                          stub
 // +-------+     +---------+    +---------+
 // | xapp  |     | submgr  |    | e2term  |
 // +-------+     +---------+    +---------+
 //     |              |              |
-//     |         [SUBS CREATE]       |
-//     |              |              |
-//     |              |              |
-//     | SubDelReq    |              |
+//     |  SubReq      |              |
 //     |------------->|              |
 //     |              |              |
-//     |              | SubDelReq    |
+//     |              | SubReq       |
 //     |              |------------->|
 //     |              |              |
-//     | SubDelReq    |              |
-//     | (same sub)   |              |
-//     | (same xid)   |              |
+//     |  SubReq      |              |
+//     | (retrans)    |              |
 //     |------------->|              |
 //     |              |              |
-//     |              |   SubDelResp |
+//     |              |      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)
+       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)
+}
+
+//-----------------------------------------------------------------------------
+// TestSubDelReqRetransmission
+//
+//   stub                          stub
+// +-------+     +---------+    +---------+
+// | xapp  |     | submgr  |    | e2term  |
+// +-------+     +---------+    +---------+
+//     |              |              |
+//     |         [SUBS CREATE]       |
+//     |              |              |
+//     |              |              |
+//     | SubDelReq    |              |
+//     |------------->|              |
+//     |              |              |
+//     |              | SubDelReq    |
+//     |              |------------->|
+//     |              |              |
+//     | SubDelReq    |              |
+//     | (same sub)   |              |
+//     | (same xid)   |              |
+//     |------------->|              |
+//     |              |              |
+//     |              |   SubDelResp |
 //     |              |<-------------|
 //     |              |              |
 //     |   SubDelResp |              |
@@ -985,6 +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},
@@ -1171,10 +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 |              |
@@ -1183,9 +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},
@@ -1202,10 +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)
 
@@ -1218,6 +1658,7 @@ func TestSubReqSubFailRespInSubmgr(t *testing.T) {
        mainCtrl.wait_registry_empty(t, 10)
 
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.c.e2ap.SetE2IEOrderCheck(1)
 }
 
 //-----------------------------------------------------------------------------
@@ -1406,6 +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
 //
@@ -1480,8 +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()
@@ -1491,11 +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)
@@ -1617,11 +2121,6 @@ func TestSubReqAndSubDelOkSameActionParallel(t *testing.T) {
 //     |             |              |    SubFail1  |
 //     |             |              |<-------------|
 //     |             |              |              |
-//     |             |              | SubDelReq    |
-//     |             |              |------------->|
-//     |             |              |   SubDelResp |
-//     |             |              |<-------------|
-//     |             |              |              |
 //     |             |    SubFail1  |              |
 //     |             |<-------------|              |
 //     |             |              |              |
@@ -1652,10 +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
@@ -2113,9 +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)
@@ -2130,6 +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)
 
@@ -2196,6 +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))
@@ -2290,7 +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"})
@@ -2298,6 +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))
@@ -2313,6 +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)
@@ -2348,325 +2853,530 @@ 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")
 }
 
-//-----------------------------------------------------------------------------
-// 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) {
-       CaseBegin("TestRESTSubReqAndRouteNok")
-
-       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 1},
-               Counter{cRouteCreateFail, 1},
-               Counter{cSubRespToXapp, 1},
-               Counter{cSubDelReqFromXapp, 1},
-               Counter{cSubDelRespToXapp, 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)
-       restSubId := xappConn1.SendRESTSubsReq(t, params)
-       xappConn1.ExpectRESTNotification(t, restSubId)
-       waiter.WaitResult(t)
-
-       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
-       xapp.Logger.Info("TEST: REST notification received e2SubsId=%v", e2SubsId)
+func TestGetRestSubscriptions(t *testing.T) {
 
-       // Del
-       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       mainCtrl.SendGetRequest(t, "localhost:8080", "/ric/v1/restsubscriptions")
+}
 
-       // Wait that subs is cleaned
-       mainCtrl.wait_subs_clean(t, newSubsId, 10)
-       waitSubsCleanup(t, e2SubsId, 10)
-       mainCtrl.VerifyCounterValues(t)
-}
+//-----------------------------------------------------------------------------
+// TestDelAllE2nodeSubsViaDebugIf
+//
+//   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 TestRESTSubReqAndRouteUpdateNok(t *testing.T) {
-       CaseBegin("TestSubReqAndRouteUpdateNok")
+func TestDelAllE2nodeSubsViaDebugIf(t *testing.T) {
 
-       //Init counter check
+       // 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{cRouteCreateUpdateFail, 1},
-               Counter{cSubDelReqFromXapp, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
                Counter{cSubDelReqToE2, 1},
                Counter{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
-       var params *teststube2ap.RESTSubsReqParams = nil
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST Policy subscriber request for subscriberId : %v", restSubId)
 
-       //Subs Create
-       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
+       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)
 
-       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
+       e2nodesJson := mainCtrl.SendGetRequest(t, "localhost:8080", "/ric/v1/get_all_e2nodes")
 
-       // 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.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)
-       waiter.WaitResult(t)
-       // e2SubsId2 := xappConn2.WaitRESTNotification(t, restSubId2) - TOD: missing delete
-       xappConn2.WaitRESTNotification(t, restSubId2)
+       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))
 
-       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
+       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)
+       }
 
-       deleteSubscription(t, xappConn1, e2termConn1, &restSubId)
+       if len(e2RestSubsMap) != 1 {
+               t.Errorf("Incorrect e2RestSubsMap length %v", len(e2RestSubsMap))
+       }
 
-       mainCtrl.wait_subs_clean(t, newSubsId, 10)
-       //Wait that subs is cleaned
-       waitSubsCleanup(t, e2SubsId, 10)
+       // 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)
 }
 
-func TestRESTSubDelReqAndRouteDeleteNok(t *testing.T) {
-       CaseBegin("TestRESTSubDelReqAndRouteDeleteNok")
+//-----------------------------------------------------------------------------
+// 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{cSubReqFromXapp, 1},
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
                Counter{cSubReqToE2, 1},
                Counter{cSubRespFromE2, 1},
-               Counter{cSubRespToXapp, 1},
-               Counter{cSubDelReqFromXapp, 1},
-               Counter{cRouteDeleteFail, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
                Counter{cSubDelReqToE2, 1},
                Counter{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
-       var params *teststube2ap.RESTSubsReqParams = nil
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST Policy subscriber request for subscriberId : %v", restSubId)
 
-       //Subs Create
-       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
+       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)
 
-       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
+       xappsJson := mainCtrl.SendGetRequest(t, "localhost:8080", "/ric/v1/get_all_xapps")
 
-       waiter := rtmgrHttp.AllocNextEvent(false)
-       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       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)
-       waiter.WaitResult(t)
 
+       // Wait that subs is cleaned
        waitSubsCleanup(t, e2SubsId, 10)
-
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
-func TestRESTSubMergeDelAndRouteUpdateNok(t *testing.T) {
-       CaseBegin("TestRESTSubMergeDelAndRouteUpdateNok")
+//-----------------------------------------------------------------------------
+// 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{cSubReqFromXapp, 2},
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
                Counter{cSubReqToE2, 1},
                Counter{cSubRespFromE2, 1},
-               Counter{cSubRespToXapp, 2},
-               Counter{cSubDelReqFromXapp, 2},
-               Counter{cRouteDeleteUpdateFail, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
                Counter{cSubDelReqToE2, 1},
                Counter{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 2},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
-       var params *teststube2ap.RESTSubsReqParams = nil
-
-       //Subs Create
-       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
-
-       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
-       restSubId2, e2SubsId2 := createXapp2MergedSubscription(t, "RAN_NAME_1")
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST Policy subscriber request for subscriberId : %v", restSubId)
 
-       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560", "localhost:13660"})
+       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)
 
-       //Del1, this shall fail on rtmgr side
-       waiter := rtmgrHttp.AllocNextEvent(false)
-       xappConn1.SendRESTSubsDelReq(t, &restSubId)
-       waiter.WaitResult(t)
+       restSubsListJson := mainCtrl.SendGetRequest(t, "localhost:8080", "/ric/v1/get_xapp_rest_restsubscriptions/localhost") // localhost = xappServiceName
 
-       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13660"})
+       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)
+       }
 
-       //Del2
-       deleteXapp2Subscription(t, &restSubId2)
+       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))
+       }
 
-       waitSubsCleanup(t, e2SubsId2, 10)
+       // 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)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTSubReqRetransmission
+// TestRESTSubReqAndRouteNok
 //
 //   stub                             stub
 // +-------+        +---------+    +---------+
-// | xapp  |        | submgr  |    | e2term  |
+// | xapp  |        | submgr  |    | rtmgr   |
 // +-------+        +---------+    +---------+
 //     |                 |              |
-//     | RESTSubReq1     |              |
+//     | RESTSubReq      |              |
 //     |---------------->|              |
 //     |                 |              |
 //     |     RESTSubResp |              |
 //     |<----------------|              |
-//     |                 | SubReq1      |
-//     |                 |------------->|
-//     |                 |              |
-//     | RESTSubReq2     |              |
-//     | (retrans)       |              |
-//     |---------------->|              |
-//     |                 |              |
-//     |                 | SubReq2      |
+//     |                 | RouteCreate  |
 //     |                 |------------->|
-//     |    RESTSubResp2 |              |
-//     |<----------------|              |
-//     |                 |     SubResp1 |
-//     |                 |<-------------|
-//     |      RESTNotif1 |              |
-//     |<----------------|              |
-//     |                 |     SubResp1 |
+//     |                 | RouteCreate  |
+//     |                 |  status:400  |
+//     |                 |(Bad request) |
 //     |                 |<-------------|
-//     |      RESTNotif2 |              |
+//     |       RESTNotif |              |
 //     |<----------------|              |
 //     |                 |              |
-//     |            [SUBS DELETE]       |
+//     |          [SUBS INT DELETE]     |
 //     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |  RESTSubDelResp |              |
+//     |<----------------|              |
 //
 //-----------------------------------------------------------------------------
-
-func TestRESTSubReqRetransmission(t *testing.T) {
-       CaseBegin("TestRESTSubReqRetransmission")
+func TestRESTSubReqAndRouteNok(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{cRouteCreateFail, 1},
+               Counter{cRestSubFailNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
-       // Retry/duplicate will get the same way as the first request.  Submgr cannot detect duplicate RESTRequests
-       // 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)
+       // 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)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "failAll")
        waiter.WaitResult(t)
 
-       xappConn1.WaitListedRestNotifications(t, []string{restSubId1, restSubId2})
+       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
+       xapp.Logger.Debug("TEST: REST notification received e2SubsId=%v", e2SubsId)
 
-       // Depending one goroutine scheduling order, we cannot say for sure which xapp reaches e2term first. Thus
-       // the order is not significant he6re.
-       crereq, cremsg := e2termConn1.RecvSubsReq(t)
-       e2termConn1.SendSubsResp(t, crereq, cremsg)
-       crereq, cremsg = e2termConn1.RecvSubsReq(t)
-       e2termConn1.SendSubsResp(t, crereq, cremsg)
+       // Del
+       xappConn1.SendRESTSubsDelReq(t, &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)
+       // Wait that subs is cleaned
+       mainCtrl.wait_subs_clean(t, newSubsId, 10)
+       waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
 
-       // Del1
-       xappConn1.SendRESTSubsDelReq(t, &restSubId1)
-       delreq1, delmsg1 := e2termConn1.RecvSubsDelReq(t)
-       e2termConn1.SendSubsDelResp(t, delreq1, delmsg1)
+//-----------------------------------------------------------------------------
+// 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) {
 
-       // Del2
-       xappConn2.SendRESTSubsDelReq(t, &restSubId2)
-       delreq2, delmsg2 := e2termConn1.RecvSubsDelReq(t)
-       e2termConn1.SendSubsDelResp(t, delreq2, delmsg2)
+       //Init counter check
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubFailNotifToXapp, 1},
+               Counter{cRouteCreateUpdateFail, 1},
+               Counter{cRestSubDelReqFromXapp, 2},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 2},
+       })
 
-       mainCtrl.wait_multi_subs_clean(t, []uint32{e2SubsIdA.E2SubsId, e2SubsIdB.E2SubsId}, 10)
+       var params *teststube2ap.RESTSubsReqParams = nil
 
-       waitSubsCleanup(t, e2SubsIdB.E2SubsId, 10)
+       // Subs create for xapp1
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
+
+       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
+
+       // 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)
+       params.SetMeid("RAN_NAME_1")
+       restSubId2 := xappConn2.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST subscriber request for second subscriber : %v", restSubId2)
+       xappConn2.ExpectRESTNotificationNok(t, restSubId2, "allFail")
+       waiter.WaitResult(t)
+       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)
 }
 
-func TestRESTSubDelReqRetransmission(t *testing.T) {
-       CaseBegin("TestRESTSubDelReqRetransmission")
+//-----------------------------------------------------------------------------
+// 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) {
 
+       // 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, 2},
+               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
@@ -2676,42 +3386,153 @@ func TestRESTSubDelReqRetransmission(t *testing.T) {
 
        queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
 
-       //Subs Delete
+       waiter := rtmgrHttp.AllocNextEvent(false)
        xappConn1.SendRESTSubsDelReq(t, &restSubId)
        delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+       waiter.WaitResult(t)
 
-       seqBef := mainCtrl.get_msgcounter(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) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cMergedSubscriptions, 1},
+               Counter{cRestSubRespToXapp, 2},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 2},
+               Counter{cRestSubDelReqFromXapp, 2},
+               Counter{cRouteDeleteUpdateFail, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 2},
+               Counter{cUnmergedSubscriptions, 1},
+       })
+
+       var params *teststube2ap.RESTSubsReqParams = nil
+
+       //Subs Create
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
+
+       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
+       restSubId2, e2SubsId2 := createXapp2MergedSubscription(t, "RAN_NAME_1")
+
+       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560", "localhost:13660"})
+
+       //Del1, this shall fail on rtmgr side
+       waiter := rtmgrHttp.AllocNextEvent(false)
        xappConn1.SendRESTSubsDelReq(t, &restSubId)
-       mainCtrl.wait_msgcounter_change(t, seqBef, 10)
+       waiter.WaitResult(t)
 
-       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13660"})
 
-       waitSubsCleanup(t, e2SubsId, 10)
+       //Del2
+       deleteXapp2Subscription(t, &restSubId2)
 
+       waitSubsCleanup(t, e2SubsId2, 10)
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTSubReqDelReq
+// TestRESTSubReqRetransmission
 //
 //   stub                             stub
 // +-------+        +---------+    +---------+
 // | xapp  |        | submgr  |    | e2term  |
 // +-------+        +---------+    +---------+
 //     |                 |              |
-//     | RESTSubReq      |              |
+//     | RESTSubReq1     |              |
 //     |---------------->|              |
 //     |                 |              |
 //     |     RESTSubResp |              |
 //     |<----------------|              |
-//     |                 | SubReq       |
+//     |                 | SubReq1      |
 //     |                 |------------->|
-//     | RESTSubDelReq   |              |
+//     |                 |              |
+//     | RESTSubReq2     |              |
+//     | (retrans)       |              |
 //     |---------------->|              |
-//     |  RESTSubDelResp |              |
-//     |     unsuccess   |              |
+//     | RESTSubResp(201)|              |
 //     |<----------------|              |
-//     |                 |      SubResp |
+//     |                 |              |
+//     |                 |     SubResp1 |
 //     |                 |<-------------|
 //     |      RESTNotif1 |              |
 //     |<----------------|              |
@@ -2720,129 +3541,908 @@ func TestRESTSubDelReqRetransmission(t *testing.T) {
 //     |                 |              |
 //
 //-----------------------------------------------------------------------------
-func TestRESTSubReqDelReq(t *testing.T) {
-       CaseBegin("TestRESTSubReqDelReq")
+
+func TestRESTSubReqRetransmission(t *testing.T) {
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 1},
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
                Counter{cSubReqToE2, 1},
                Counter{cSubRespFromE2, 1},
-               Counter{cSubRespToXapp, 1},
-               Counter{cSubDelReqFromXapp, 2},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
                Counter{cSubDelReqToE2, 1},
                Counter{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
+       // 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
 
-       // Req
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
        restSubId := xappConn1.SendRESTSubsReq(t, 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)
+       xappConn1.SendRESTSubsReq(t, params)
+       <-time.After(time.Second * 1)
+
+       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 here.
        crereq, cremsg := e2termConn1.RecvSubsReq(t)
-       xappConn1.ExpectRESTNotification(t, restSubId)
        e2termConn1.SendSubsResp(t, crereq, cremsg)
-       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
 
-       // Retry del
+       e2SubsId := <-xappConn1.ListedRESTNotifications
+
+       xapp.Logger.Debug("TEST: XAPP notification received e2SubsId=%v", e2SubsId)
+
+       // Del1
        xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       delreq1, delmsg1 := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq1, delmsg1)
 
-       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
-       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+       mainCtrl.wait_multi_subs_clean(t, []uint32{e2SubsId.E2SubsId}, 10)
 
-       // 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|             |
+//     |                 |<---------------------------|  // 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 TestRESTSubReqAndSubDelOkTwoParallel(t *testing.T) {
-       CaseBegin("TestRESTSubReqAndSubDelOkTwoParallel")
+func TestRESTSubReqRetransmissionV2(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, 3},
+               Counter{cDuplicateE2SubReq, 2},
+               Counter{cRestSubRespToXapp, 3},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 3},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               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)
+       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
 
-       //XappConn1 receives both of the  responses
-       xappConn1.WaitListedRestNotifications(t, []string{restSubId1, restSubId2})
+       mainCtrl.WaitOngoingRequestMapEmpty()
 
-       //Resp1
-       e2termConn1.SendSubsResp(t, crereq1, cremsg1)
-       //Resp2
-       e2termConn1.SendSubsResp(t, crereq2, cremsg2)
+       //1.st resend
+       restSubId_resend := xappConn1.SendRESTSubsReq(t, params)
 
-       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)
+       assert.Equal(t, restSubId_resend, restSubId)
 
-       //Del1
-       deleteSubscription(t, xappConn1, e2termConn1, &restSubId1)
-       //Del2
-       deleteSubscription(t, xappConn2, e2termConn1, &restSubId2)
+       mainCtrl.WaitOngoingRequestMapEmpty()
 
-       //Wait that subs is cleaned
-       mainCtrl.wait_subs_clean(t, e2SubsIdA.E2SubsId, 10)
-       waitSubsCleanup(t, e2SubsIdB.E2SubsId, 10)
+       //2.nd resend
+       restSubId_resend2 := xappConn1.SendRESTSubsReq(t, params)
 
-       mainCtrl.VerifyCounterValues(t)
+       assert.Equal(t, restSubId_resend2, restSubId)
 
-}
+       mainCtrl.WaitOngoingRequestMapEmpty()
 
-func TestRESTSameSubsDiffRan(t *testing.T) {
-       CaseBegin("TestRESTSameSubsDiffRan")
+       deleteSubscription(t, xappConn1, e2termConn1, &restSubId)
 
-       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 2},
-               Counter{cSubReqToE2, 2},
-               Counter{cSubRespFromE2, 2},
-               Counter{cSubRespToXapp, 2},
-               Counter{cSubDelReqFromXapp, 2},
+       waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+//   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 TestRESTSubReqRetransmissionV3(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 3},
+               Counter{cDuplicateE2SubReq, 2},
+               Counter{cRestSubRespToXapp, 3},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 3},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
+
+       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
+
+       mainCtrl.WaitOngoingRequestMapEmpty()
+
+       //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)
+
+       waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+//   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 TestRESTSubReqRetransmissionV4(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 3},
+               Counter{cDuplicateE2SubReq, 2},
+               Counter{cRestSubRespToXapp, 3},
+               Counter{cSubReqToE2, 2},
+               Counter{cSubRespFromE2, 2},
+               Counter{cRestSubNotifToXapp, 4},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 2},
+               Counter{cSubDelRespFromE2, 2},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
+
+       mainCtrl.WaitOngoingRequestMapEmpty()
+
+       // Send modified  requst, this time with e2 subscriptions.
+       params2 := xappConn1.GetRESTSubsReqReportParams(subReqCount + 1)
+       params2.SetSubscriptionID(&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)
+       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)
+
+       mainCtrl.WaitOngoingRequestMapEmpty()
+
+       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)
+
+       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)
+}
+
+//-----------------------------------------------------------------------------
+//   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{cRestSubReqFromXapp, 3},
+               Counter{cDuplicateE2SubReq, 2},
+               Counter{cRestSubRespToXapp, 3},
+               Counter{cSubReqToE2, 2},
+               Counter{cSubRespFromE2, 2},
+               Counter{cRestSubNotifToXapp, 4},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 2},
+               Counter{cSubDelRespFromE2, 2},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
+
+       mainCtrl.WaitOngoingRequestMapEmpty()
+
+       // Send modified  request, this time with e2 subscriptions.
+       params2 := xappConn1.GetRESTSubsReqReportParams(subReqCount + 1)
+       params2.SetSubscriptionID(&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)
+
+       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)
+}
+
+//-----------------------------------------------------------------------------
+//   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) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               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)
+
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
+
+       mainCtrl.WaitOngoingRequestMapEmpty()
+
+       // Send modified  requst, this time with e2 subscriptions.
+       params2 := xappConn1.GetRESTSubsReqReportParams(subReqCount + 1)
+       params2.SetSubscriptionID(&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)
+
+       e2SubsId1 := xappConn1.WaitAnyRESTNotification(t)
+       assert.Equal(t, e2SubsId, e2SubsId1)
+
+       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)
+
+       waitSubsCleanup(t, e2SubsId, 10)
+
+       // 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)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubDelReqRetransmission
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |      SubResp |
+//     |                 |<-------------|
+//     |      RESTNotif1 |              |
+//     |<----------------|              |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |  RESTSubDelResp |              |
+//     |<----------------|              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |  RESTSubDelResp |              |
+//     |<----------------|              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------|
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubDelReqRetransmission(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 2},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 2},
+       })
+
+       var params *teststube2ap.RESTSubsReqParams = nil
+
+       //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)
+
+       //Resend delete req
+       seqBef := mainCtrl.get_msgcounter(t)
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       mainCtrl.wait_msgcounter_change(t, seqBef, 10)
+
+       // Del resp
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+
+       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]       |
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+func TestRESTSubReqDelReq(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 2},
+               Counter{cRestSubDelFailToXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       const subReqCount int = 1
+
+       // Req
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, 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)
+
+       // Retry 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)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqAndSubDelOkTwoParallel
+//
+//   stub       stub                          stub
+// +-------+  +-------+     +---------+    +---------+
+// | xapp2 |  | xapp1 |     | submgr  |    | e2term  |
+// +-------+  +-------+     +---------+    +---------+
+//     |          |              |              |
+//     |          | RESTSubReq1  |              |
+//     |          |------------->|              |
+//     |          | RESTSubResp1 |              |
+//     |          |<-------------|              |
+//     |          |              |              |
+//     |          |              | SubReq1      |
+//     |          |              |------------->|
+//     |          |              |              |
+//     |       RESTSubReq2       |              |
+//     |------------------------>|              |
+//     |       RESTSubResp2      |              |
+//     |<------------------------|              |
+//     |          |              |              |
+//     |          |              | SubReq2      |
+//     |          |              |------------->|
+//     |          |              |              |
+//     |          |              |    SubResp1  |
+//     |          |              |<-------------|
+//     |          | RESTNotif1   |              |
+//     |          |<-------------|              |
+//     |          |              |              |
+//     |          |              |    SubResp2  |
+//     |          |              |<-------------|
+//     |       RESTNotif2        |              |
+//     |<------------------------|              |
+//     |          |              |              |
+//     |          |        [SUBS 1 DELETE]      |
+//     |          |              |              |
+//     |          |        [SUBS 2 DELETE]      |
+//     |          |              |              |
+//
+//-----------------------------------------------------------------------------
+
+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{cSubDelRespToXapp, 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)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSameSubsDiffRan
+// Same subscription to different RANs
+//
+//   stub                          stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RESTSubReq(r1)  |              |
+//     |---------------->|              |
+//     | RESTSubResp(r1) |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |                 | SubReq(r1)   |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 | SubResp(r1)  |
+//     |                 |<-------------|
+//     |                 |              |
+//     | RESTNotif(r1)   |              |
+//     |<----------------|              |
+//     |                 |              |
+//     | RESTSubReq(r2)  |              |
+//     |---------------->|              |
+//     |                 |              |
+//     | RESTSubResp(r2) |              |
+//     |<----------------|              |
+//     |                 | SubReq(r2)   |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 | SubResp(r2)  |
+//     |                 |<-------------|
+//     |                 |              |
+//     | RESTNotif(r2)   |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |          [SUBS r1 DELETE]      |
+//     |                 |              |
+//     |          [SUBS r2 DELETE]      |
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSameSubsDiffRan(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, parameterSet, actionDefinitionPresent, actionParamCount)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
        restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
-       xapp.Logger.Info("Send 1st REST subscriber request for subscriberId : %v", restSubId1)
+       xapp.Logger.Debug("Send 1st REST subscriber request for subscriberId : %v", restSubId1)
 
-       params = xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
+       params = xappConn1.GetRESTSubsReqReportParams(subReqCount)
        params.SetMeid("RAN_NAME_2")
        restSubId2, e2SubsId2 := createSubscription(t, xappConn1, e2termConn1, params)
-       xapp.Logger.Info("Send 2nd REST subscriber request for subscriberId : %v", restSubId2)
+       xapp.Logger.Debug("Send 2nd REST subscriber request for subscriberId : %v", restSubId2)
 
        //Del1
        deleteSubscription(t, xappConn1, e2termConn1, &restSubId1)
@@ -2854,33 +4454,63 @@ func TestRESTSameSubsDiffRan(t *testing.T) {
        waitSubsCleanup(t, e2SubsId2, 10)
 
        mainCtrl.VerifyCounterValues(t)
-
+       mainCtrl.VerifyAllClean(t)
 }
 
+//-----------------------------------------------------------------------------
+// TestRESTSubReqRetryInSubmgr
+//
+//   stub                          stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     | RESTSubResp     |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 | SubResp      |
+//     |                 |<-------------|
+//     |                 |              |
+//     | RESTNotif       |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |           [SUBS DELETE]        |
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+
 func TestRESTSubReqRetryInSubmgr(t *testing.T) {
-       CaseBegin("TestRESTSubReqRetryInSubmgr start")
 
        // 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{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
        restSubId := xappConn1.SendRESTSubsReq(t, params)
 
-       xapp.Logger.Info("Send REST subscriber request for subscriber : %v", restSubId)
+       xapp.Logger.Debug("Send REST subscriber request for subscriber : %v", restSubId)
 
        // Catch the first message and ignore it
        crereq, cremsg := e2termConn1.RecvSubsReq(t)
-       xapp.Logger.Info("Ignore REST subscriber request for subscriber : %v", restSubId)
+       xapp.Logger.Debug("Ignore REST subscriber request for subscriber : %v", restSubId)
 
        // The second request is being handled normally
        crereq, cremsg = e2termConn1.RecvSubsReq(t)
@@ -2890,6 +4520,7 @@ func TestRESTSubReqRetryInSubmgr(t *testing.T) {
 
        queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
 
+       // Del
        deleteSubscription(t, xappConn1, e2termConn1, &restSubId)
 
        mainCtrl.wait_subs_clean(t, e2SubsId, 10)
@@ -2897,7 +4528,7 @@ func TestRESTSubReqRetryInSubmgr(t *testing.T) {
        waitSubsCleanup(t, e2SubsId, 10)
 
        mainCtrl.VerifyCounterValues(t)
-
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
@@ -2938,77 +4569,121 @@ func TestRESTSubReqRetryInSubmgr(t *testing.T) {
 //     |                 |              |
 //
 //-----------------------------------------------------------------------------
+
 func TestRESTSubReqRetryNoRespSubDelRespInSubmgr(t *testing.T) {
-       CaseBegin("TestRESTSubReqTwoRetriesNoRespSubDelRespInSubmgr start")
 
        // 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{cRestSubFailNotifToXapp, 1},
                Counter{cSubDelReqToE2, 1},
                Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
        restSubId := xappConn1.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriber : %v", restSubId)
+       xapp.Logger.Debug("Send REST subscriber request for subscriber : %v", restSubId)
 
        e2termConn1.RecvSubsReq(t)
-       xapp.Logger.Info("Ignore 1st REST subscriber request for subscriber : %v", restSubId)
+       xapp.Logger.Debug("Ignore 1st REST subscriber request for subscriber : %v", restSubId)
 
        e2termConn1.RecvSubsReq(t)
-       xapp.Logger.Info("Ignore 2nd REST subscriber request for subscriber : %v", restSubId)
+       xapp.Logger.Debug("Ignore 2nd REST subscriber request for subscriber : %v", restSubId)
 
        delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
-       xappConn1.ExpectRESTNotification(t, restSubId)
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
        e2termConn1.SendSubsDelResp(t, delreq, delmsg)
-       // e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)     - TODO:  Should we delete this?
        xappConn1.WaitRESTNotification(t, restSubId)
 
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+
        // Wait that subs is cleaned
        waitSubsCleanup(t, delreq.RequestId.InstanceId, 10)
-
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
+//-----------------------------------------------------------------------------
+// TestREST2eTermNotRespondingToSubReq
+//
+//   stub                          stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     | RESTSubResp     |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     | RESTNotif(Unsuccessful)        |
+//     |<----------------|              |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     | RESTSubDelResp  |              |
+//     |<----------------|              |
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+
 func TestREST2eTermNotRespondingToSubReq(t *testing.T) {
-       CaseBegin("TestREST2eTermNotRespondingToSubReq start")
 
        // 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{cSubDelReReqToE2, 1},
+               Counter{cRestSubFailNotifToXapp, 1},
                Counter{cSubDelReqToE2, 1},
                Counter{cSubDelReqTimerExpiry, 2},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
        restSubId := xappConn1.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriber : %v", restSubId)
+       xapp.Logger.Debug("Send REST subscriber request for subscriber : %v", restSubId)
 
        e2termConn1.RecvSubsReq(t)
-       xapp.Logger.Info("Ignore 1st REST subscriber request for subscriber : %v", restSubId)
+       xapp.Logger.Debug("Ignore 1st REST subscriber request for subscriber : %v", restSubId)
 
        e2termConn1.RecvSubsReq(t)
-       xapp.Logger.Info("Ignore 2nd REST subscriber request for subscriber : %v", restSubId)
+       xapp.Logger.Debug("Ignore 2nd REST subscriber request for subscriber : %v", restSubId)
 
        e2termConn1.RecvSubsDelReq(t)
-       xapp.Logger.Info("Ignore 1st INTERNAL delete request for subscriber : %v", restSubId)
+       xapp.Logger.Debug("Ignore 1st INTERNAL delete request for subscriber : %v", restSubId)
 
-       xappConn1.ExpectRESTNotification(t, restSubId)
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
        e2termConn1.RecvSubsDelReq(t)
-       xapp.Logger.Info("Ignore 2nd INTERNAL delete request for subscriber : %v", restSubId)
+       xapp.Logger.Debug("Ignore 2nd INTERNAL delete request for subscriber : %v", restSubId)
 
        e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
 
-       waitSubsCleanup(t, e2SubsId, 10)
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
 
+       waitSubsCleanup(t, e2SubsId, 10)
        mainCtrl.VerifyCounterValues(t)
-
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
@@ -3050,41 +4725,46 @@ func TestREST2eTermNotRespondingToSubReq(t *testing.T) {
 //
 //-----------------------------------------------------------------------------
 func TestRESTSubReqTwoRetriesNoRespAtAllInSubmgr(t *testing.T) {
-       CaseBegin("TestRESTSubReqTwoRetriesNoRespAtAllInSubmgr start")
 
        // 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{cRestSubFailNotifToXapp, 1},
                Counter{cSubDelReqToE2, 1},
                Counter{cSubDelReReqToE2, 1},
                Counter{cSubDelReqTimerExpiry, 2},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
        restSubId := xappConn1.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriber : %v", restSubId)
+       xapp.Logger.Debug("Send REST subscriber request for subscriber : %v", restSubId)
 
        e2termConn1.RecvSubsReq(t)
-       xapp.Logger.Info("Ignore 1st REST subscriber request for subscriber : %v", restSubId)
+       xapp.Logger.Debug("Ignore 1st REST subscriber request for subscriber : %v", restSubId)
 
        e2termConn1.RecvSubsReq(t)
-       xapp.Logger.Info("Ignore 2nd REST subscriber request for subscriber : %v", restSubId)
+       xapp.Logger.Debug("Ignore 2nd REST subscriber request for subscriber : %v", restSubId)
 
        e2termConn1.RecvSubsDelReq(t)
-       xapp.Logger.Info("Ignore 1st INTERNAL delete request for subscriber : %v", restSubId)
+       xapp.Logger.Debug("Ignore 1st INTERNAL delete request for subscriber : %v", restSubId)
 
-       xappConn1.ExpectRESTNotification(t, restSubId)
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
        e2termConn1.RecvSubsDelReq(t)
-       xapp.Logger.Info("Ignore 2nd INTERNAL delete request for subscriber : %v", restSubId)
+       xapp.Logger.Debug("Ignore 2nd INTERNAL delete request for subscriber : %v", restSubId)
 
        e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
 
-       waitSubsCleanup(t, e2SubsId, 10)
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
 
+       waitSubsCleanup(t, e2SubsId, 10)
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
@@ -3106,12 +4786,6 @@ func TestRESTSubReqTwoRetriesNoRespAtAllInSubmgr(t *testing.T) {
 //     |                 |      SubFail |
 //     |                 |<-------------|
 //     |                 |              |
-//     |                 | SubDelReq    |
-//     |                 |------------->|
-//     |                 |              |
-//     |                 |   SubDelResp |
-//     |                 |<-------------|
-//     |                 |              |
 //     |       RESTNotif |              |
 //     |       unsuccess |              |
 //     |<----------------|              |
@@ -3120,35 +4794,36 @@ func TestRESTSubReqTwoRetriesNoRespAtAllInSubmgr(t *testing.T) {
 //     |                 |              |
 //
 //-----------------------------------------------------------------------------
+
 func TestRESTSubReqSubFailRespInSubmgr(t *testing.T) {
-       CaseBegin("TestRESTSubReqSubFailRespInSubmgr")
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 1},
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
                Counter{cSubReqToE2, 1},
                Counter{cSubFailFromE2, 1},
-               Counter{cSubRespToXapp, 1},
-               Counter{cSubDelReqFromXapp, 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
+       const e2Timeout int64 = 2
+       const e2RetryCount int64 = 1
+       const routingNeeded bool = true
 
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
        restSubId := xappConn1.SendRESTSubsReq(t, params)
 
        crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
        fparams1 := &teststube2ap.E2StubSubsFailParams{}
        fparams1.Set(crereq1)
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
        e2termConn1.SendSubsFail(t, fparams1, cremsg1)
 
-       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)
+       xapp.Logger.Debug("TEST: REST notification received e2SubsId=%v", e2SubsId)
 
        // REST subscription sill there to be deleted
        xappConn1.SendRESTSubsDelReq(t, &restSubId)
@@ -3157,7 +4832,84 @@ func TestRESTSubReqSubFailRespInSubmgr(t *testing.T) {
        waitSubsCleanup(t, e2SubsId, 10)
 
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqPartialResp
+//
+//   stub                          stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     | RESTSubResp     |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 | SubResp      | Partially accepted
+//     |                 |<-------------|
+//     |                 |              |
+//     | RESTNotif       |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |           [SUBS DELETE]        |
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqPartialResp(t *testing.T) {
+
+       // Init counter check
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cPartialSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       // Req
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+
+       actionId := int64(2)
+       actionType := "report"
+       actionDefinition := []int64{5678, 1}
+       subsequestActionType := "continue"
+       timeToWait := "w10ms"
+       params.AppendActionToActionToBeSetupList(actionId, actionType, actionDefinition, subsequestActionType, timeToWait)
+
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       crereq, cremsg := e2termConn1.RecvSubsReq(t)
+       xappConn1.ExpectRESTNotification(t, restSubId)
 
+       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)
+
+       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)
 }
 
 //-----------------------------------------------------------------------------
@@ -3188,18 +4940,19 @@ func TestRESTSubReqSubFailRespInSubmgr(t *testing.T) {
 //
 //-----------------------------------------------------------------------------
 func TestRESTSubDelReqRetryInSubmgr(t *testing.T) {
-       CaseBegin("TestRESTSubDelReqRetryInSubmgr")
 
        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{cSubDelReqToE2, 1},
+               Counter{cSubDelReqTimerExpiry, 1},
                Counter{cSubDelReReqToE2, 1},
                Counter{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
        // Req
        var params *teststube2ap.RESTSubsReqParams = nil
@@ -3219,6 +4972,7 @@ func TestRESTSubDelReqRetryInSubmgr(t *testing.T) {
        waitSubsCleanup(t, e2SubsId, 10)
 
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
@@ -3246,19 +5000,21 @@ func TestRESTSubDelReqRetryInSubmgr(t *testing.T) {
 //     |                 |              |
 //
 //-----------------------------------------------------------------------------
+
 func TestRESTSubDelReqTwoRetriesNoRespInSubmgr(t *testing.T) {
-       CaseBegin("TestRESTSubDelReTwoRetriesNoRespInSubmgr")
 
        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{cSubDelReqToE2, 1},
+               Counter{cSubDelReqTimerExpiry, 1},
                Counter{cSubDelReReqToE2, 1},
                Counter{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
        // Req
@@ -3279,6 +5035,7 @@ func TestRESTSubDelReqTwoRetriesNoRespInSubmgr(t *testing.T) {
        waitSubsCleanup(t, e2SubsId, 10)
 
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
@@ -3305,18 +5062,19 @@ func TestRESTSubDelReqTwoRetriesNoRespInSubmgr(t *testing.T) {
 //     |                 |              |
 //
 //-----------------------------------------------------------------------------
+
 func TestRESTSubDelReqSubDelFailRespInSubmgr(t *testing.T) {
-       CaseBegin("TestRESTSubDelReqSubDelFailRespInSubmgr")
 
        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{cSubDelReqToE2, 1},
                Counter{cSubDelFailFromE2, 1},
-               Counter{cSubDelRespToXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
        // Req
@@ -3334,6 +5092,7 @@ func TestRESTSubDelReqSubDelFailRespInSubmgr(t *testing.T) {
        waitSubsCleanup(t, e2SubsId, 10)
 
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
@@ -3386,20 +5145,21 @@ func TestRESTSubDelReqSubDelFailRespInSubmgr(t *testing.T) {
 //     |             |                 |              |
 //
 //-----------------------------------------------------------------------------
+
 func TestRESTSubReqAndSubDelOkSameAction(t *testing.T) {
-       CaseBegin("TestRESTSubReqAndSubDelOkSameAction")
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 2},
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
                Counter{cSubReqToE2, 1},
                Counter{cSubRespFromE2, 1},
-               Counter{cSubRespToXapp, 2},
+               Counter{cRestSubNotifToXapp, 2},
                Counter{cMergedSubscriptions, 1},
                Counter{cUnmergedSubscriptions, 1},
-               Counter{cSubDelReqFromXapp, 2},
+               Counter{cRestSubDelReqFromXapp, 2},
                Counter{cSubDelReqToE2, 1},
                Counter{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 2},
+               Counter{cRestSubDelRespToXapp, 2},
        })
 
        // Req1
@@ -3410,17 +5170,17 @@ func TestRESTSubReqAndSubDelOkSameAction(t *testing.T) {
        queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560"})
 
        // Req2
-       params = xappConn2.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
+       params = xappConn2.GetRESTSubsReqReportParams(subReqCount)
        params.SetMeid("RAN_NAME_1")
 
        xapp.Subscription.SetResponseCB(xappConn2.SubscriptionRespHandler)
-       xappConn2.WaitRESTNotificationForAnySubscriptionId(t)
+       xappConn2.ExpectAnyNotification(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)
+       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"})
 
@@ -3432,8 +5192,8 @@ func TestRESTSubReqAndSubDelOkSameAction(t *testing.T) {
 
        //Wait that subs is cleaned
        waitSubsCleanup(t, e2SubsId2, 10)
-
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
@@ -3484,24 +5244,24 @@ func TestRESTSubReqAndSubDelOkSameAction(t *testing.T) {
 //     |<---------------------------|              |
 //
 func TestRESTSubReqAndSubDelOkSameActionParallel(t *testing.T) {
-       CaseBegin("TestRESTSubReqAndSubDelOkSameActionParallel")
 
        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},
        })
 
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
        restSubId1 := xappConn1.SendRESTSubsReq(t, params)
        crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
 
-       params2 := xappConn2.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
+       params2 := xappConn2.GetRESTSubsReqReportParams(subReqCount)
        restSubId2 := xappConn2.SendRESTSubsReq(t, params2)
 
        xappConn1.ExpectRESTNotification(t, restSubId1)
@@ -3525,8 +5285,8 @@ func TestRESTSubReqAndSubDelOkSameActionParallel(t *testing.T) {
        e2termConn1.SendSubsDelResp(t, delreq2, delmsg2)
 
        waitSubsCleanup(t, e2SubsId2, 10)
-
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
@@ -3549,7 +5309,7 @@ func TestRESTSubReqAndSubDelOkSameActionParallel(t *testing.T) {
 //     | RESTSubReq2                   |              |
 //     |------------------------------>|              |
 //     |             |                 |              |
-//     |               RESTSubDelResp2 |              |
+//     |               RESTSubResp2    |              |
 //     |<------------------------------|              |
 //     |             |                 | SubReq1      |
 //     |             |                 |------------->|
@@ -3580,32 +5340,33 @@ func TestRESTSubReqAndSubDelOkSameActionParallel(t *testing.T) {
 //     |<------------------------------|              |
 //
 //-----------------------------------------------------------------------------
+
 func TestRESTSubReqAndSubDelNoAnswerSameActionParallel(t *testing.T) {
-       CaseBegin("TestRESTSubReqAndSubDelNoAnswerSameActionParallel")
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 2},
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cMergedSubscriptions, 1},
+               Counter{cRestSubRespToXapp, 2},
                Counter{cSubReqToE2, 1},
-               Counter{cSubRespToXapp, 2},
-               Counter{cSubDelReqFromXapp, 2},
+               Counter{cSubReqTimerExpiry, 2},
+               Counter{cSubReReqToE2, 1},
+               Counter{cRestSubFailNotifToXapp, 2},
+               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
-       params1 := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
+       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, parameterSet, actionDefinitionPresent, actionParamCount)
+       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)
@@ -3619,9 +5380,9 @@ func TestRESTSubReqAndSubDelNoAnswerSameActionParallel(t *testing.T) {
        e2termConn1.SendSubsDelResp(t, delreq1, delmsg1)
 
        e2SubsIdA := <-xappConn1.ListedRESTNotifications
-       xapp.Logger.Info("TEST: 1.st XAPP notification received e2SubsId=%v", e2SubsIdA)
+       xapp.Logger.Debug("TEST: 1.st XAPP notification received e2SubsId=%v", e2SubsIdA)
        e2SubsIdB := <-xappConn1.ListedRESTNotifications
-       xapp.Logger.Info("TEST: 2.nd XAPP notification received e2SubsId=%v", e2SubsIdB)
+       xapp.Logger.Debug("TEST: 2.nd XAPP notification received e2SubsId=%v", e2SubsIdB)
 
        // Del1
        xappConn1.SendRESTSubsDelReq(t, &restSubId1)
@@ -3633,8 +5394,8 @@ func TestRESTSubReqAndSubDelNoAnswerSameActionParallel(t *testing.T) {
 
        //Wait that subs is cleaned
        waitSubsCleanup(t, e2SubsIdA.E2SubsId, 10)
-
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
@@ -3668,12 +5429,8 @@ func TestRESTSubReqAndSubDelNoAnswerSameActionParallel(t *testing.T) {
 //     |                    RESTNotif2 |              |
 //     |             |       unsuccess |              |
 //     |<------------------------------|              |
-//     |             |                 | SubDelReq    |
-//     |             |                 |------------->|
-//     |             |                 |   SubDelResp |
-//     |             |                 |<-------------|
 //     |             |                 |              |
-//     |             | RESTSubDelReq1  |              |
+//     |             | RESTSubDelReq1  |              |   There is no need for xApp to send delete for failed subscriptions but some xApp might do so.
 //     |             |---------------->|              |
 //     |             |                 |              |
 //     |             | RESTSubDelResp1 |              |
@@ -3686,33 +5443,31 @@ func TestRESTSubReqAndSubDelNoAnswerSameActionParallel(t *testing.T) {
 //     |<------------------------------|              |
 //
 //-----------------------------------------------------------------------------
+
 func TestRESTSubReqAndSubDelNokSameActionParallel(t *testing.T) {
-       CaseBegin("TestRESTSubReqAndSubDelNokSameActionParallel")
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 2},
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cMergedSubscriptions, 1},
+               Counter{cRestSubRespToXapp, 2},
                Counter{cSubReqToE2, 1},
                Counter{cSubFailFromE2, 1},
-               Counter{cSubRespToXapp, 2},
-               Counter{cSubDelReqFromXapp, 2},
-               Counter{cSubDelReqToE2, 1},
-               Counter{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 2},
+               Counter{cRestSubFailNotifToXapp, 2},
+               Counter{cUnmergedSubscriptions, 1},
+               Counter{cRestSubDelReqFromXapp, 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)
+       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, parameterSet, actionDefinitionPresent, actionParamCount)
+       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)
@@ -3722,15 +5477,11 @@ func TestRESTSubReqAndSubDelNokSameActionParallel(t *testing.T) {
        fparams1.Set(crereq1)
        e2termConn1.SendSubsFail(t, fparams1, cremsg1)
 
-       // E2t: internal delete
-       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
        xappConn1.WaitListedRestNotifications(t, []string{restSubId1, restSubId2})
-       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
-
        e2SubsIdA := <-xappConn1.ListedRESTNotifications
-       xapp.Logger.Info("TEST: 1.st XAPP notification received e2SubsId=%v", e2SubsIdA)
+       xapp.Logger.Debug("TEST: 1.st XAPP notification received e2SubsId=%v", e2SubsIdA)
        e2SubsIdB := <-xappConn1.ListedRESTNotifications
-       xapp.Logger.Info("TEST: 2.nd XAPP notification received e2SubsId=%v", e2SubsIdB)
+       xapp.Logger.Debug("TEST: 2.nd XAPP notification received e2SubsId=%v", e2SubsIdB)
 
        // Del1
        xappConn1.SendRESTSubsDelReq(t, &restSubId1)
@@ -3741,39 +5492,71 @@ func TestRESTSubReqAndSubDelNokSameActionParallel(t *testing.T) {
        //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) {
-       CaseBegin("TestRESTSubReqPolicyAndSubDelOk")
 
        // 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{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.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)
 
        xappConn1.SendRESTSubsDelReq(t, &restSubId)
        delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
@@ -3782,6 +5565,7 @@ func TestRESTSubReqPolicyAndSubDelOk(t *testing.T) {
        // Wait that subs is cleaned
        waitSubsCleanup(t, e2SubsId, 10)
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
@@ -3833,34 +5617,37 @@ func TestRESTSubReqPolicyAndSubDelOk(t *testing.T) {
 //     |<----------------|              |
 //
 //-----------------------------------------------------------------------------
+
 func TestRESTSubReqPolicyChangeAndSubDelOk(t *testing.T) {
-       CaseBegin("TestRESTSubReqPolicyAndSubDelOk")
 
        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{cRestSubNotifToXapp, 2},
+               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 policyParamCount int = 1
+       const e2Timeout int64 = 1
+       const e2RetryCount int64 = 0
+       const routingNeeded bool = true
 
        // Req
-       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount, actionDefinitionPresent, policyParamCount)
+       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
        restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
 
        // Policy change
-       instanceId := int64(e2SubsId)
-       // GetRESTSubsReqPolicyParams sets some coutners on tc side.
-       params = xappConn1.GetRESTSubsReqPolicyParams(subReqCount, actionDefinitionPresent, policyParamCount)
-       params.SubsReqParams.SubscriptionDetails[0].InstanceID = &instanceId
+       // 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)
 
@@ -3873,6 +5660,200 @@ func TestRESTSubReqPolicyChangeAndSubDelOk(t *testing.T) {
        // 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)
 }
 
 //-----------------------------------------------------------------------------
@@ -3916,33 +5897,31 @@ func TestRESTSubReqPolicyChangeAndSubDelOk(t *testing.T) {
 //     |                 |              |              |
 //
 //-----------------------------------------------------------------------------
+
 func TestRESTSubReqAndSubDelOkTwoE2termParallel(t *testing.T) {
-       CaseBegin("TestRESTSubReqAndSubDelOkTwoE2termParallel")
 
        // Init counter check
        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)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
        restSubId1 := xappConn1.SendRESTSubsReq(t, params)
        crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
 
        // Req2
-       params = xappConn2.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
+       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
@@ -3953,13 +5932,13 @@ func TestRESTSubReqAndSubDelOkTwoE2termParallel(t *testing.T) {
        xappConn1.ExpectRESTNotification(t, restSubId1)
        e2termConn1.SendSubsResp(t, crereq1, cremsg1)
        e2SubsId1 := xappConn1.WaitRESTNotification(t, restSubId1)
-       xapp.Logger.Info("TEST: REST notification received e2SubsId1=%v", e2SubsId1)
+       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.Info("TEST: REST notification received e2SubsId2=%v", e2SubsId2)
+       xapp.Logger.Debug("TEST: REST notification received e2SubsId2=%v", e2SubsId2)
 
        // Delete1
        xappConn1.SendRESTSubsDelReq(t, &restSubId1)
@@ -3978,35 +5957,7 @@ func TestRESTSubReqAndSubDelOkTwoE2termParallel(t *testing.T) {
        waitSubsCleanup(t, e2SubsId2, 10)
 
        mainCtrl.VerifyCounterValues(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")
-
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
@@ -4045,26 +5996,24 @@ func TestRESTSubReqAsn1EncodeFail(t *testing.T) {
 //     |<----------------|              |
 //
 //-----------------------------------------------------------------------------
+
 func TestRESTSubReqInsertAndSubDelOk(t *testing.T) {
-       CaseBegin("TestRESTInsertSubReqAndSubDelOk")
 
        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{cSubDelReqToE2, 1},
                Counter{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 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 := xappConn1.GetRESTSubsReqReportParams(subReqCount)
        params.SetSubActionTypes("insert")
 
        // Req
@@ -4079,6 +6028,7 @@ func TestRESTSubReqInsertAndSubDelOk(t *testing.T) {
        // Wait that subs is cleaned
        waitSubsCleanup(t, e2SubsId, 10)
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
@@ -4092,6 +6042,8 @@ func TestRESTSubReqInsertAndSubDelOk(t *testing.T) {
 //     | RESTSubReq   |              |
 //     |------------->|              |
 //     |              |              |
+//     |  RESTSubResp |              |
+//     |<-------------|              |
 //     |              | SubReq       |
 //     |              |------------->|
 //     |              |              |
@@ -4107,33 +6059,39 @@ func TestRESTSubReqInsertAndSubDelOk(t *testing.T) {
 //     |              |   SubDelResp |
 //     |              |<-------------|
 //     |              |              |
+//     |    RESTNotif |              |
+//     |    unsuccess |              |
+//     |<-------------|              |
+//     |              |              |
+//     | RESTSubDelReq|              |
+//     |------------->|              |
+//     |              |              |
+//     |RESTSubDelResp|              |
+//     |<-------------|              |
 //
 //-----------------------------------------------------------------------------
+
 func TestRESTSubReqNokAndSubDelOkWithRestartInMiddle(t *testing.T) {
-       CaseBegin("TestRESTSubReqNokAndSubDelOkWithRestartInMiddle")
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 1},
+               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
-       const parameterSet = 1
-       const actionDefinitionPresent bool = true
-       const actionParamCount int = 1
-
-       // Remove possible existing subscription
-       mainCtrl.removeExistingSubscriptions(t)
 
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
+       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.Info("Send REST subscriber request for subscriber : %v", restSubId)
+       xapp.Logger.Debug("Send REST subscriber request for subscriber : %v", restSubId)
 
        e2termConn1.RecvSubsReq(t)
 
@@ -4142,16 +6100,19 @@ func TestRESTSubReqNokAndSubDelOkWithRestartInMiddle(t *testing.T) {
        mainCtrl.SimulateRestart(t)
        xapp.Logger.Debug("mainCtrl.SimulateRestart done")
 
-       //Del
+       // Deleletion of uncompleted subscription
        delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
        e2termConn1.SendSubsDelResp(t, delreq, delmsg)
 
+       //Del
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+
        xappConn1.TestMsgChanEmpty(t)
-       xappConn2.TestMsgChanEmpty(t)
        e2termConn1.TestMsgChanEmpty(t)
        mainCtrl.wait_registry_empty(t, 10)
 
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
@@ -4192,37 +6153,35 @@ func TestRESTSubReqNokAndSubDelOkWithRestartInMiddle(t *testing.T) {
 //     |<----------------|              |
 //
 //-----------------------------------------------------------------------------
+
 func TestRESTSubReqAndSubDelOkWithRestartInMiddle(t *testing.T) {
-       CaseBegin("TestRESTSubReqAndSubDelOkWithRestartInMiddle")
 
        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{cSubDelReqToE2, 1},
-               Counter{cSubDelRespToXapp, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
 
-       // Remove possible existing subscription
-       mainCtrl.removeExistingSubscriptions(t)
-
-       var params *teststube2ap.RESTSubsReqParams = nil
-
        // Create subscription
+       var params *teststube2ap.RESTSubsReqParams = nil
        restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriber : %v", restSubId)
+       xapp.Logger.Debug("Send REST subscriber request for subscriber : %v", restSubId)
 
        // Check subscription
        queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
 
-       // When SDL support for the REST Interface is added
-       // the submgr restart statement below should be removed
-       // from the comment.
+       mainCtrl.SimulateRestart(t)
+       xapp.Logger.Debug("mainCtrl.SimulateRestart done")
 
-       //      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"})
@@ -4234,6 +6193,7 @@ func TestRESTSubReqAndSubDelOkWithRestartInMiddle(t *testing.T) {
        waitSubsCleanup(t, e2SubsId, 10)
 
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
 //-----------------------------------------------------------------------------
@@ -4291,73 +6251,331 @@ func TestRESTSubReqAndSubDelOkWithRestartInMiddle(t *testing.T) {
 //
 //-----------------------------------------------------------------------------
 func TestRESTSubReqAndSubDelOkSameActionWithRestartsInMiddle(t *testing.T) {
-       CaseBegin("TestRESTSubReqAndSubDelOkSameActionWithRestartsInMiddle")
 
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
-               Counter{cSubReqFromXapp, 2},
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
                Counter{cSubReqToE2, 1},
                Counter{cSubRespFromE2, 1},
-               Counter{cSubRespToXapp, 2},
+               Counter{cRestSubNotifToXapp, 2},
                Counter{cMergedSubscriptions, 1},
                Counter{cUnmergedSubscriptions, 1},
-               Counter{cSubDelReqFromXapp, 2},
+               Counter{cRestSubDelReqFromXapp, 2},
                Counter{cSubDelReqToE2, 1},
                Counter{cSubDelRespFromE2, 1},
-               Counter{cSubDelRespToXapp, 2},
+               Counter{cRestSubDelRespToXapp, 2},
        })
 
-       // Remove possible existing subscription
-       mainCtrl.removeExistingSubscriptions(t)
-
-       var params *teststube2ap.RESTSubsReqParams = nil
-
        // Create subscription 1
+       var params *teststube2ap.RESTSubsReqParams = nil
        restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriber 1 : %v", restSubId1)
+       xapp.Logger.Debug("Send REST subscriber request for subscriber 1 : %v", restSubId1)
 
        // Create subscription 2 with same action
-       params = xappConn2.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
+       params = xappConn2.GetRESTSubsReqReportParams(subReqCount)
        params.SetMeid("RAN_NAME_1")
        xapp.Subscription.SetResponseCB(xappConn2.SubscriptionRespHandler)
-       xappConn2.WaitRESTNotificationForAnySubscriptionId(t)
+       xappConn2.ExpectAnyNotification(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)
+       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"})
 
-       // When SDL support for the REST Interface is added
-       // the submgr restart statement below should be removed
-       // from the comment.
+       mainCtrl.SimulateRestart(t)
+       xapp.Logger.Debug("mainCtrl.SimulateRestart done 1")
 
-       //      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 delete is possible
+       <-time.After(time.Second * 1)
 
        // 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)
+       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")
 
-       // When SDL support for the REST Interface is added
-       // the submgr restart statement below should be removed
-       // from the comment.
+       // 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)
 
-       //      mainCtrl.SimulateRestart(t)
-       //      xapp.Logger.Debug("mainCtrl.SimulateRestart done")
        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)
+       //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)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTReportSubReqAndSubDelOk
+// TestRESTTwoPolicySubReqAndSubDelOk
 //
 //   stub                             stub
 // +-------+        +---------+    +---------+
@@ -4384,147 +6602,133 @@ func TestRESTSubReqAndSubDelOkSameActionWithRestartsInMiddle(t *testing.T) {
 //     |                 |<-------------|
 //     | RESTNotif       |              |
 //     |<----------------|              |
-//     |       ...       |     ...      |
-//     |                 |              |
 //     |                 |              |
 //     | RESTSubDelReq   |              |
 //     |---------------->|              |
 //     |                 |              |
+//     |   RESTSubDelResp|              |
+//     |<----------------|              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------|
+//     |                 |              |
 //     |                 | SubDelReq    |
 //     |                 |------------->|
 //     |                 |              |
 //     |                 |   SubDelResp |
 //     |                 |<-------------|
 //     |                 |              |
-//     |   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)
-
-       // Req
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       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.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"})
-
-       }
-
-       // 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)
-}
-
-/*
-func TestRESTPolicySubReqAndSubDelOk(t *testing.T) {
-       CaseBegin("TestRESTPolicySubReqAndSubDelOk")
+func TestRESTTwoReportSubReqAndSubDelOk(t *testing.T) {
 
        subReqCount := 2
-       actionDefinitionPresent := true
-       policyParamCount := 1
-       testIndex := 1
-       RESTPolicySubReqAndSubDelOk(t, subReqCount, actionDefinitionPresent, policyParamCount, testIndex)
 
-       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, 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.GetRESTSubsReqPolicyParams(subReqCount, actionDefinitionPresent, policyParamCount)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
        restSubId := xappConn1.SendRESTSubsReq(t, params)
-       //params := xappConn1.GetRESTSubsReqPolicyParams1(subReqCount, actionDefinitionPresent, policyParamCount)
-       //restSubId := xappConn1.SendRESTPolicySubsReq(t, params)
+       e2SubsIds := sendAndReceiveMultipleE2SubReqs(t, subReqCount, xappConn1, e2termConn1, restSubId)
 
-       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)
-       }
+       assert.Equal(t, len(e2SubsIds), subReqCount)
 
        // Del
        xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       sendAndReceiveMultipleE2DelReqs(t, e2SubsIds, e2termConn1)
 
-       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.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
-func TestRESTTwoPolicySubReqAndSubDelOk(t *testing.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{cSubReqFromXapp, 1},
-               Counter{cSubReqToE2, 2},
-               Counter{cSubRespFromE2, 2},
-               Counter{cSubRespToXapp, 2},
-               Counter{cSubDelReqFromXapp, 1},
-               Counter{cSubDelReqToE2, 2},
-               Counter{cSubDelRespFromE2, 2},
-               Counter{cSubDelRespToXapp, 1},
+               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.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)
+       assert.Equal(t, len(e2SubsIds), subReqCount)
 
        // Del
        xappConn1.SendRESTSubsDelReq(t, &restSubId)
@@ -4535,29 +6739,70 @@ func TestRESTTwoPolicySubReqAndSubDelOk(t *testing.T) {
        mainCtrl.wait_registry_empty(t, 10)
 
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
-func TestRESTPolicySubReqAndSubDelOkFullAmount(t *testing.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{cSubReqFromXapp, 1},
-               Counter{cSubReqToE2, 19},
-               Counter{cSubRespFromE2, 19},
-               Counter{cSubRespToXapp, 19},
-               Counter{cSubDelReqFromXapp, 1},
-               Counter{cSubDelReqToE2, 19},
-               Counter{cSubDelRespFromE2, 19},
-               Counter{cSubDelRespToXapp, 1},
+               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.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), 19)
+       assert.Equal(t, len(e2SubsIds), subReqCount)
 
+       // Del
        xappConn1.SendRESTSubsDelReq(t, &restSubId)
        sendAndReceiveMultipleE2DelReqs(t, e2SubsIds, e2termConn1)
 
@@ -4566,146 +6811,350 @@ func TestRESTPolicySubReqAndSubDelOkFullAmount(t *testing.T) {
        mainCtrl.wait_registry_empty(t, 10)
 
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
-func TestRESTTwoReportSubReqAndSubDelOk(t *testing.T) {
 
-       subReqCount := 2
-       parameterSet := 1
-       actionDefinitionPresent := true
-       actionParamCount := 1
+//-----------------------------------------------------------------------------
+// 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{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, 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},
        })
 
-       // Req
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       restSubId := xappConn1.SendRESTSubsReq(t, params)
-       e2SubsIds := sendAndReceiveMultipleE2SubReqs(t, subReqCount, xappConn1, e2termConn1, restSubId)
+       // 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)
 
-       assert.Equal(t, len(e2SubsIds), subReqCount)
+       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)
 
-       // Del
-       xappConn1.SendRESTSubsDelReq(t, &restSubId)
-       sendAndReceiveMultipleE2DelReqs(t, e2SubsIds, e2termConn1)
+       deleteXapp1Subscription(t, &restSubId1)
+       deleteXapp2Subscription(t, &restSubId2)
 
-       xappConn1.TestMsgChanEmpty(t)
-       e2termConn1.TestMsgChanEmpty(t)
-       mainCtrl.wait_registry_empty(t, 10)
+       waitSubsCleanup(t, e2SubsId1, 10)
+       waitSubsCleanup(t, e2SubsId2, 10)
 
        mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
 }
 
-func TestRESTTwoReportSubReqAndSubDelOkNoActParams(t *testing.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]      |
+//     |          |              |              |
+//
+//-----------------------------------------------------------------------------
 
-       subReqCount := 2
-       parameterSet := 1
-       actionDefinitionPresent := false
-       actionParamCount := 0
+func TestRESTSubReqReportSameActionDiffActionListLen(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, 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},
        })
 
-       // Req
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       restSubId := xappConn1.SendRESTSubsReq(t, params)
-       e2SubsIds := sendAndReceiveMultipleE2SubReqs(t, subReqCount, xappConn1, e2termConn1, restSubId)
+       // Req1
+       var params *teststube2ap.RESTSubsReqParams = nil
 
-       assert.Equal(t, len(e2SubsIds), subReqCount)
+       //Subs Create
+       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriberId : %v", restSubId1)
 
-       // Del
-       xappConn1.SendRESTSubsDelReq(t, &restSubId)
-       sendAndReceiveMultipleE2DelReqs(t, e2SubsIds, e2termConn1)
+       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560"})
 
-       xappConn1.TestMsgChanEmpty(t)
-       e2termConn1.TestMsgChanEmpty(t)
-       mainCtrl.wait_registry_empty(t, 10)
+       // 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)
 }
 
-func TestRESTFullAmountReportSubReqAndSubDelOk(t *testing.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]      |
+//     |          |              |              |
+//
+//-----------------------------------------------------------------------------
 
-       subReqCount := 19
-       parameterSet := 1
-       actionDefinitionPresent := false
-       actionParamCount := 0
+func TestRESTSubReqReportSameActionDiffActionID(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, 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},
        })
 
-       // Req
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       restSubId := xappConn1.SendRESTSubsReq(t, params)
-       e2SubsIds := sendAndReceiveMultipleE2SubReqs(t, subReqCount, xappConn1, e2termConn1, restSubId)
+       // Req1
+       var params *teststube2ap.RESTSubsReqParams = nil
 
-       assert.Equal(t, len(e2SubsIds), subReqCount)
+       //Subs Create
+       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriberId : %v", restSubId1)
 
-       // Del
-       xappConn1.SendRESTSubsDelReq(t, &restSubId)
-       sendAndReceiveMultipleE2DelReqs(t, e2SubsIds, e2termConn1)
+       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560"})
 
-       xappConn1.TestMsgChanEmpty(t)
-       e2termConn1.TestMsgChanEmpty(t)
-       mainCtrl.wait_registry_empty(t, 10)
+       // 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)
 }
 
-func TestRESTSubReqReportSameActionDiffEventTriggerDefinitionLen(t *testing.T) {
-       CaseBegin("TestRESTSubReqReportSameActionDiffEventTriggerDefinitionLen")
+//-----------------------------------------------------------------------------
+// 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{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 e2Timeout int64 = 2
+       const e2RetryCount int64 = 2
+       const routingNeeded bool = true
+
        // Req1
-       var params *teststube2ap.RESTSubsReqParams = nil
+       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
 
        //Subs Create
        restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId1)
+       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 = xappConn2.GetRESTSubsReqReportParams(subReqCount)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
        params.SetMeid("RAN_NAME_1")
-       eventTriggerDefinition := "1234"
-       params.SetSubEventTriggerDefinition(eventTriggerDefinition)
 
        restSubId2 := xappConn2.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId2)
+       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)
@@ -4718,45 +7167,85 @@ func TestRESTSubReqReportSameActionDiffEventTriggerDefinitionLen(t *testing.T) {
        waitSubsCleanup(t, e2SubsId2, 10)
 
        mainCtrl.VerifyCounterValues(t)
-
+       mainCtrl.VerifyAllClean(t)
 }
 
-func TestRESTSubReqReportSameActionDiffActionListLen(t *testing.T) {
-       CaseBegin("TestRESTSubReqReportSameActionDiffActionListLen")
+//-----------------------------------------------------------------------------
+// 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{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 e2Timeout int64 = 2
+       const e2RetryCount int64 = 2
+       const routingNeeded bool = true
+
        // Req1
-       var params *teststube2ap.RESTSubsReqParams = nil
+       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
 
        //Subs Create
        restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId1)
+       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 = xappConn2.GetRESTSubsReqPolicyParams(subReqCount)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
        params.SetMeid("RAN_NAME_1")
 
-       actionId := int64(1)
-       actionType := "report"
-       actionDefinition := "56781"
-       subsequestActionType := "continue"
-       timeToWait := "w10ms"
-       params.AppendActionToActionToBeSetupList(actionId, actionType, actionDefinition, subsequestActionType, timeToWait)
-
        restSubId2 := xappConn2.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId2)
+       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)
@@ -4769,21 +7258,62 @@ func TestRESTSubReqReportSameActionDiffActionListLen(t *testing.T) {
        waitSubsCleanup(t, e2SubsId2, 10)
 
        mainCtrl.VerifyCounterValues(t)
-
+       mainCtrl.VerifyAllClean(t)
 }
 
-func TestRESTSubReqReportSameActionDiffActionID(t *testing.T) {
-       CaseBegin("TestRESTSubReqReportSameActionDiffActionID")
+//-----------------------------------------------------------------------------
+// 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) {
 
        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},
        })
 
        // Req1
@@ -4791,17 +7321,18 @@ func TestRESTSubReqReportSameActionDiffActionID(t *testing.T) {
 
        //Subs Create
        restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId1)
+       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 = xappConn2.GetRESTSubsReqReportParams(subReqCount)
        params.SetMeid("RAN_NAME_1")
-       params.SetSubActionIDs(int64(2))
+       actionDefinition := []int64{5678, 1}
+       params.SetSubActionDefinition(actionDefinition)
 
        restSubId2 := xappConn2.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId2)
+       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)
@@ -4814,38 +7345,81 @@ func TestRESTSubReqReportSameActionDiffActionID(t *testing.T) {
        waitSubsCleanup(t, e2SubsId2, 10)
 
        mainCtrl.VerifyCounterValues(t)
-
+       mainCtrl.VerifyAllClean(t)
 }
 
-func TestRESTSubReqDiffActionType(t *testing.T) {
-       CaseBegin("TestRESTSubReqDiffActionType")
+//-----------------------------------------------------------------------------
+// TestRESTSubReqReportSameActionDiffActionDefinitionContents
+//
+//   stub       stub                          stub
+// +-------+  +-------+     +---------+    +---------+
+// | xapp2 |  | xapp1 |     | submgr  |    | e2term  |
+// +-------+  +-------+     +---------+    +---------+
+//     |          |              |              |
+//     |          | RESTSubReq1  |              |
+//     |          |------------->|              |
+//     |          | RESTSubResp1 |              |
+//     |          |<-------------|              |
+//     |          |              |              |
+//     |          |              | SubReq1      |
+//     |          |              |------------->|
+//     |          |              |              |
+//     |       RESTSubReq2       |              |
+//     |------------------------>|              |
+//     |       RESTSubResp2      |              |
+//     |<------------------------|              |
+//     |          |              |              |
+//     |          |              | SubReq2      |
+//     |          |              |------------->|
+//     |          |              |              |
+//     |          |              |    SubResp1  |
+//     |          |              |<-------------|
+//     |          | RESTNotif1   |              |
+//     |          |<-------------|              |
+//     |          |              |              |
+//     |          |              |    SubResp2  |
+//     |          |              |<-------------|
+//     |       RESTNotif2        |              |
+//     |<------------------------|              |
+//     |          |              |              |
+//     |          |        [SUBS 1 DELETE]      |
+//     |          |              |              |
+//     |          |        [SUBS 2 DELETE]      |
+//     |          |              |              |
+//
+//-----------------------------------------------------------------------------
+
+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, 2},
+               Counter{cRestSubNotifToXapp, 2},
+               Counter{cRestSubDelReqFromXapp, 2},
                Counter{cSubDelReqToE2, 2},
                Counter{cSubDelRespFromE2, 2},
-               Counter{cSubDelRespToXapp, 2},
+               Counter{cRestSubDelRespToXapp, 2},
        })
 
        // Req1
-       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount, actionDefinitionPresent, policyParamCount)
+       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)
+       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 = xappConn2.GetRESTSubsReqReportParams(subReqCount)
        params.SetMeid("RAN_NAME_1")
+       actionDefinition := []int64{56782}
+       params.SetSubActionDefinition(actionDefinition)
 
        restSubId2 := xappConn2.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId2)
+       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)
@@ -4858,38 +7432,79 @@ func TestRESTSubReqDiffActionType(t *testing.T) {
        waitSubsCleanup(t, e2SubsId2, 10)
 
        mainCtrl.VerifyCounterValues(t)
-
+       mainCtrl.VerifyAllClean(t)
 }
 
-func TestRESTSubReqPolicyAndSubDelOkSameAction(t *testing.T) {
-       CaseBegin("TestRESTSubReqPolicyAndSubDelOkSameAction")
+//-----------------------------------------------------------------------------
+// TestRESTSubReqReportSameActionDiffSubsAction
+//
+//   stub       stub                          stub
+// +-------+  +-------+     +---------+    +---------+
+// | xapp2 |  | xapp1 |     | submgr  |    | e2term  |
+// +-------+  +-------+     +---------+    +---------+
+//     |          |              |              |
+//     |          | RESTSubReq1  |              |
+//     |          |------------->|              |
+//     |          | RESTSubResp1 |              |
+//     |          |<-------------|              |
+//     |          |              |              |
+//     |          |              | SubReq1      |
+//     |          |              |------------->|
+//     |          |              |              |
+//     |       RESTSubReq2       |              |
+//     |------------------------>|              |
+//     |       RESTSubResp2      |              |
+//     |<------------------------|              |
+//     |          |              |              |
+//     |          |              | SubReq2      |
+//     |          |              |------------->|
+//     |          |              |              |
+//     |          |              |    SubResp1  |
+//     |          |              |<-------------|
+//     |          | RESTNotif1   |              |
+//     |          |<-------------|              |
+//     |          |              |              |
+//     |          |              |    SubResp2  |
+//     |          |              |<-------------|
+//     |       RESTNotif2        |              |
+//     |<------------------------|              |
+//     |          |              |              |
+//     |          |        [SUBS 1 DELETE]      |
+//     |          |              |              |
+//     |          |        [SUBS 2 DELETE]      |
+//     |          |              |              |
+//
+//-----------------------------------------------------------------------------
+
+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},
        })
 
        // Req1
-       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount, actionDefinitionPresent, policyParamCount)
+       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)
+       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, actionDefinitionPresent, policyParamCount)
+       params = xappConn2.GetRESTSubsReqReportParams(subReqCount)
        params.SetMeid("RAN_NAME_1")
-
+       params.SetTimeToWait("w200ms")
        restSubId2 := xappConn2.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId2)
+       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)
@@ -4901,148 +7516,298 @@ func TestRESTSubReqPolicyAndSubDelOkSameAction(t *testing.T) {
        waitSubsCleanup(t, e2SubsId1, 10)
        waitSubsCleanup(t, e2SubsId2, 10)
 
-       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyCounterValues(t)
+       mainCtrl.VerifyAllClean(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTUnpackSubscriptionResponseDecodeFail
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RestSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubResp | ASN.1 decode fails
+//     |                 |<-------------| Decode failed. More data needed. This will result timer expiry and resending
+//     |                 |              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubFail | Duplicated action
+//     |                 |<-------------|
+//     | RESTNotif (fail)|              |
+//     |<----------------|              |
+//     |                 |              |
+//     |           [SUBS DELETE]        |
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTUnpackSubscriptionResponseDecodeFail(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubReqTimerExpiry, 1},
+               Counter{cSubReReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cSubFailFromE2, 1},
+               Counter{cRestSubFailNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       const subReqCount int = 1
+
+       // Req
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+
+       crereq, cremsg := e2termConn1.RecvSubsReq(t)
+       // Decode of this response fails which will result resending original request
+       e2termConn1.SendInvalidE2Asn1Resp(t, cremsg, xapp.RIC_SUB_RESP)
+
+       _, cremsg = e2termConn1.RecvSubsReq(t)
+
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
+
+       // 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
+       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)
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTUnpackSubscriptionResponseUnknownInstanceId
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RestSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubResp | Unknown instanceId
+//     |                 |<-------------| No valid subscription found with subIds [0]
+//     |                 |              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubFail | Duplicated action
+//     |                 |<-------------| No valid subscription found with subIds [0]
+//     | RESTNotif (fail)|              |
+//     |<----------------|              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------|
+//     |                 |              |
+//     |           [SUBS DELETE]        |
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTUnpackSubscriptionResponseUnknownInstanceId(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubReqTimerExpiry, 2},
+               Counter{cSubReReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cSubFailFromE2, 1},
+               Counter{cRestSubFailNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+       })
+
+       const subReqCount int = 1
 
-}
+       // Req
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
 
-func TestRESTSubReqReportSameActionDiffActionDefinitionLen(t *testing.T) {
-       CaseBegin("TestRESTSubReqReportSameActionDiffActionDefinitionLen")
+       crereq, cremsg := e2termConn1.RecvSubsReq(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},
-       })
+       // 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)
 
-       // Req1
-       var params *teststube2ap.RESTSubsReqParams = nil
+       _, cremsg = e2termConn1.RecvSubsReq(t)
 
-       //Subs Create
-       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId1)
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
 
-       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560"})
+       // 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)
 
-       // Req2
-       params = xappConn2.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       params.SetMeid("RAN_NAME_1")
-       actionDefinition := "5678"
-       params.SetSubActionDefinition(actionDefinition)
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(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)
+       instanceId := xappConn1.WaitRESTNotification(t, restSubId)
+       xapp.Logger.Debug("TEST: REST notification received e2SubsId=%v", instanceId)
 
-       deleteXapp1Subscription(t, &restSubId1)
-       deleteXapp2Subscription(t, &restSubId2)
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
 
-       waitSubsCleanup(t, e2SubsId1, 10)
-       waitSubsCleanup(t, e2SubsId2, 10)
+       // 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)
-
 }
 
-func TestRESTSubReqReportSameActionDiffActionDefinitionContents(t *testing.T) {
-       CaseBegin("TestRESTSubReqReportSameActionDiffActionDefinitionContents")
+//-----------------------------------------------------------------------------
+// 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 TestRESTUnpackSubscriptionResponseNoTransaction(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{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubReqTimerExpiry, 2},
+               Counter{cSubReReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cSubFailFromE2, 1},
+               Counter{cRestSubFailNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelReqTimerExpiry, 2},
+               Counter{cSubDelReReqToE2, 1},
                Counter{cSubDelRespFromE2, 2},
-               Counter{cSubDelRespToXapp, 2},
        })
 
-       // 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"})
+       const subReqCount int = 1
 
-       // Req2
-       params = xappConn2.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       params.SetMeid("RAN_NAME_1")
-       actionDefinition := "56782"
-       params.SetSubActionDefinition(actionDefinition)
+       // Req
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
 
-       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)
-
-       waitSubsCleanup(t, e2SubsId1, 10)
-       waitSubsCleanup(t, e2SubsId2, 10)
 
-       mainCtrl.VerifyCounterValues(t)
-
-}
+       mainCtrl.MakeTransactionNil(t, crereq.RequestId.InstanceId)
+       // No transaction exist for this response which will result resending original request
+       e2termConn1.SendSubsResp(t, crereq, cremsg)
 
-func TestRESTSubReqReportSameActionDiffSubsAction(t *testing.T) {
-       CaseBegin("TestRESTSubReqReportSameActionDiffSubsAction")
+       _, cremsg = e2termConn1.RecvSubsReq(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},
-       })
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
 
-       // Req1
-       var params *teststube2ap.RESTSubsReqParams = nil
+       // 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)
 
-       //Subs Create
-       restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriberId : %v", restSubId1)
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
 
-       queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13560"})
+       // Resending happens because there no transaction
+       delreq, delmsg = e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
 
-       // 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)
+       instanceId := xappConn1.WaitRESTNotification(t, restSubId)
+       xapp.Logger.Debug("TEST: REST notification received e2SubsId=%v", instanceId)
 
-       deleteXapp1Subscription(t, &restSubId1)
-       deleteXapp2Subscription(t, &restSubId2)
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
 
-       waitSubsCleanup(t, e2SubsId1, 10)
-       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)
-
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTUnpackSubscriptionResponseDecodeFail
+// TestRESTUnpackSubscriptionFailureDecodeFail
 //
 //   stub                             stub
 // +-------+        +---------+    +---------+
@@ -5058,8 +7823,8 @@ func TestRESTSubReqReportSameActionDiffSubsAction(t *testing.T) {
 //     |                 | SubReq       |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |      SubResp | ASN.1 decode fails
-//     |                 |<-------------|
+//     |                 |      SubFail | ASN.1 decode fails
+//     |                 |<-------------| Decode failed. More data needed. This will result timer expiry and resending
 //     |                 |              |
 //     |                 | SubReq       |
 //     |                 |------------->|
@@ -5068,31 +7833,40 @@ func TestRESTSubReqReportSameActionDiffSubsAction(t *testing.T) {
 //     |                 |<-------------|
 //     | RESTNotif (fail)|              |
 //     |<----------------|              |
-//     |                 | SubDelReq    |
-//     |                 |------------->|
 //     |                 |              |
-//     |                 |   SubDelResp |
-//     |                 |<-------------|
+//     |           [SUBS DELETE]        |
+//     |                 |              |
 //
 //-----------------------------------------------------------------------------
-func TestRESTUnpackSubscriptionResponseDecodeFail(t *testing.T) {
-       xapp.Logger.Info("TEST: TestRESTUnpackSubscriptionResponseDecodeFail")
-       subReqCount := 1
-       parameterSet := 1 // E2SM-gNB-X2
-       actionDefinitionPresent := true
-       actionParamCount := 1
+
+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)
 
        crereq, cremsg := e2termConn1.RecvSubsReq(t)
+
        // Decode of this response fails which will result resending original request
-       e2termConn1.SendInvalidE2Asn1Resp(t, cremsg, xapp.RIC_SUB_RESP)
+       e2termConn1.SendInvalidE2Asn1Resp(t, cremsg, xapp.RIC_SUB_FAILURE)
 
        _, cremsg = e2termConn1.RecvSubsReq(t)
 
-       xappConn1.ExpectRESTNotification(t, restSubId)
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
 
        // Subscription already created in E2 Node.
        fparams := &teststube2ap.E2StubSubsFailParams{}
@@ -5100,11 +7874,10 @@ func TestRESTUnpackSubscriptionResponseDecodeFail(t *testing.T) {
        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.Info("TEST: REST notification received e2SubsId=%v", instanceId)
+       xapp.Logger.Debug("TEST: REST notification received e2SubsId=%v", instanceId)
+
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
 
        // Wait that subs is cleaned
        mainCtrl.wait_subs_clean(t, crereq.RequestId.InstanceId, 10)
@@ -5112,6 +7885,8 @@ func TestRESTUnpackSubscriptionResponseDecodeFail(t *testing.T) {
        xappConn1.TestMsgChanEmpty(t)
        e2termConn1.TestMsgChanEmpty(t)
        mainCtrl.wait_registry_empty(t, 10)
+       mainCtrl.VerifyAllClean(t)
+       mainCtrl.VerifyCounterValues(t)
 }
 
 //-----------------------------------------------------------------------------
@@ -5131,14 +7906,14 @@ func TestRESTUnpackSubscriptionResponseDecodeFail(t *testing.T) {
 //     |                 | SubReq       |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |      SubResp | Unknown instanceId
-//     |                 |<-------------|
+//     |                 |      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    |
@@ -5146,33 +7921,46 @@ func TestRESTUnpackSubscriptionResponseDecodeFail(t *testing.T) {
 //     |                 |              |
 //     |                 |   SubDelResp |
 //     |                 |<-------------|
+//     |                 |              |
+//     |           [SUBS DELETE]        |
+//     |                 |              |
 //
 //-----------------------------------------------------------------------------
-func TestRESTUnpackSubscriptionResponseUnknownInstanceId(t *testing.T) {
-       xapp.Logger.Info("TEST: TestRESTUnpackSubscriptionResponseUnknownInstanceId")
-       subReqCount := 1
-       parameterSet := 1 // E2SM-gNB-X2
-       actionDefinitionPresent := true
-       actionParamCount := 1
+func TestRESTUnpackSubscriptionFailureUnknownInstanceId(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{cSubDelRespFromE2, 1},
+       })
 
        // Req
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
        restSubId := xappConn1.SendRESTSubsReq(t, params)
 
        crereq, cremsg := e2termConn1.RecvSubsReq(t)
 
-       // Unknown instanceId in this response which will result resending original request
-       orgInstanceId := crereq.RequestId.InstanceId
-       crereq.RequestId.InstanceId = 0
-       e2termConn1.SendSubsResp(t, crereq, cremsg)
+       // 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)
 
        _, cremsg = e2termConn1.RecvSubsReq(t)
 
-       xappConn1.ExpectRESTNotification(t, restSubId)
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
 
-       // Subscription already created in E2 Node.
-       fparams := &teststube2ap.E2StubSubsFailParams{}
-       fparams.Set(crereq)
+       // 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)
 
@@ -5180,18 +7968,22 @@ func TestRESTUnpackSubscriptionResponseUnknownInstanceId(t *testing.T) {
        e2termConn1.SendSubsDelResp(t, delreq, delmsg)
 
        instanceId := xappConn1.WaitRESTNotification(t, restSubId)
-       xapp.Logger.Info("TEST: REST notification received e2SubsId=%v", instanceId)
+       xapp.Logger.Debug("TEST: REST notification received e2SubsId=%v", instanceId)
+
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
 
        // Wait that subs is cleaned
-       mainCtrl.wait_subs_clean(t, orgInstanceId, 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)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTUnpackSubscriptionResponseNoTransaction
+// TestRESTUnpackSubscriptionFailureNoTransaction
 //
 //   stub                             stub
 // +-------+        +---------+    +---------+
@@ -5207,53 +7999,71 @@ func TestRESTUnpackSubscriptionResponseUnknownInstanceId(t *testing.T) {
 //     |                 | SubReq       |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |      SubResp | No transaction for the response
-//     |                 |<-------------|
+//     |                 |      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 TestRESTUnpackSubscriptionResponseNoTransaction(t *testing.T) {
-       xapp.Logger.Info("TEST: TestRESTUnpackSubscriptionResponseNoTransaction")
-       subReqCount := 1
-       parameterSet := 1 // E2SM-gNB-X2
-       actionDefinitionPresent := true
-       actionParamCount := 1
+
+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},
+       })
 
        // Req
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
+       params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
        restSubId := xappConn1.SendRESTSubsReq(t, params)
 
        crereq, cremsg := e2termConn1.RecvSubsReq(t)
 
        mainCtrl.MakeTransactionNil(t, crereq.RequestId.InstanceId)
+
        // No transaction exist for this response which will result resending original request
-       e2termConn1.SendSubsResp(t, crereq, cremsg)
+       fparams := &teststube2ap.E2StubSubsFailParams{}
+       fparams.Set(crereq)
+       e2termConn1.SendSubsFail(t, fparams, cremsg)
 
        _, cremsg = e2termConn1.RecvSubsReq(t)
 
-       xappConn1.ExpectRESTNotification(t, restSubId)
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
 
        // 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)
 
@@ -5265,7 +8075,9 @@ func TestRESTUnpackSubscriptionResponseNoTransaction(t *testing.T) {
        e2termConn1.SendSubsDelResp(t, delreq, delmsg)
 
        instanceId := xappConn1.WaitRESTNotification(t, restSubId)
-       xapp.Logger.Info("TEST: REST notification received e2SubsId=%v", instanceId)
+       xapp.Logger.Debug("TEST: REST notification received e2SubsId=%v", instanceId)
+
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
 
        // Wait that subs is cleaned
        mainCtrl.wait_subs_clean(t, crereq.RequestId.InstanceId, 10)
@@ -5273,240 +8085,253 @@ func TestRESTUnpackSubscriptionResponseNoTransaction(t *testing.T) {
        xappConn1.TestMsgChanEmpty(t)
        e2termConn1.TestMsgChanEmpty(t)
        mainCtrl.wait_registry_empty(t, 10)
-
+       mainCtrl.VerifyAllClean(t)
+       mainCtrl.VerifyCounterValues(t)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTUnpackSubscriptionFailureDecodeFail
+// TestRESTUnpackSubscriptionDeleteResponseDecodeFail
 //
 //   stub                             stub
 // +-------+        +---------+    +---------+
 // | xapp  |        | submgr  |    | e2term  |
 // +-------+        +---------+    +---------+
 //     |                 |              |
-//     | RestSubReq      |              |
+//     |            [SUBS CREATE]       |
+//     |                 |              |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
 //     |---------------->|              |
 //     |                 |              |
-//     |     RESTSubResp |              |
+//     |  RESTSubDelResp |              |
 //     |<----------------|              |
 //     |                 |              |
-//     |                 | SubReq       |
+//     |                 | SubDelReq    |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |      SubFail | ASN.1 decode fails
-//     |                 |<-------------|
-//     |                 |              |
-//     |                 | SubReq       |
-//     |                 |------------->|
+//     |                 |   SubDelResp | ASN.1 decode fails.
+//     |                 |<-------------| Decode failed. More data needed. This will result timer expiry and resending
 //     |                 |              |
-//     |                 |      SubFail | Duplicated action
-//     |                 |<-------------|
-//     | RESTNotif (fail)|              |
-//     |<----------------|              |
 //     |                 | SubDelReq    |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |   SubDelResp |
+//     |                 |   SubDelFail | Subscription does exist any more in E2 node
 //     |                 |<-------------|
+//     |                 |              |
+//     |           [SUBS DELETE]        |
+//     |                 |              |
 //
 //-----------------------------------------------------------------------------
-func TestRESTUnpackSubscriptionFailureDecodeFail(t *testing.T) {
-       xapp.Logger.Info("TEST: TestRESTUnpackSubscriptionFailureDecodeFail")
-       subReqCount := 1
-       parameterSet := 1 // E2SM-gNB-X2
-       actionDefinitionPresent := true
-       actionParamCount := 1
 
-       // Req
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       restSubId := xappConn1.SendRESTSubsReq(t, params)
+func TestRESTUnpackSubscriptionDeleteResponseDecodeFail(t *testing.T) {
 
-       crereq, cremsg := e2termConn1.RecvSubsReq(t)
+       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{cSubDelReqToE2, 1},
+               Counter{cSubDelReqTimerExpiry, 1},
+               Counter{cSubDelReReqToE2, 1},
+               Counter{cSubDelFailFromE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+       })
 
-       // Decode of this response fails which will result resending original request
-       e2termConn1.SendInvalidE2Asn1Resp(t, cremsg, xapp.RIC_SUB_FAILURE)
+       // Req
+       var params *teststube2ap.RESTSubsReqParams = nil
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
 
-       _, cremsg = e2termConn1.RecvSubsReq(t)
+       // Del
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
 
-       xappConn1.ExpectRESTNotification(t, restSubId)
+       // E2t: Receive 1st SubsDelReq
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(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)
+       // Decode of this response fails which will result resending original request
+       e2termConn1.SendInvalidE2Asn1Resp(t, delmsg, xapp.RIC_SUB_DEL_RESP)
 
-       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
-       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+       // E2t: Receive 2nd SubsDelReq and send SubsDelResp
+       delreq, delmsg = e2termConn1.RecvSubsDelReq(t)
 
-       instanceId := xappConn1.WaitRESTNotification(t, restSubId)
-       xapp.Logger.Info("TEST: REST notification received e2SubsId=%v", instanceId)
+       // Subscription does not exist in in E2 Node.
+       e2termConn1.SendSubsDelFail(t, delreq, delmsg)
 
        // Wait that subs is cleaned
-       mainCtrl.wait_subs_clean(t, crereq.RequestId.InstanceId, 10)
+       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)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTUnpackSubscriptionResponseUnknownInstanceId
+// TestRESTUnpackSubscriptionDeleteResponseUnknownInstanceId
 //
 //   stub                             stub
 // +-------+        +---------+    +---------+
 // | xapp  |        | submgr  |    | e2term  |
 // +-------+        +---------+    +---------+
 //     |                 |              |
-//     | RestSubReq      |              |
+//     |            [SUBS CREATE]       |
+//     |                 |              |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
 //     |---------------->|              |
 //     |                 |              |
-//     |     RESTSubResp |              |
+//     |  RESTSubDelResp |              |
 //     |<----------------|              |
 //     |                 |              |
-//     |                 | SubReq       |
+//     |                 | SubDelReq    |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |      SubFail | Unknown instanceId
-//     |                 |<-------------|
-//     |                 |              |
-//     |                 | SubReq       |
-//     |                 |------------->|
+//     |                 |   SubDelResp | Unknown instanceId
+//     |                 |<-------------| No valid subscription found with subIds [0]. This will result timer expiry and resending
 //     |                 |              |
-//     |                 |      SubFail | Duplicated action
-//     |                 |<-------------|
-//     | RESTNotif (fail)|              |
-//     |<----------------|              |
 //     |                 | SubDelReq    |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |   SubDelResp |
+//     |                 |   SubDelFail | Subscription does exist any more in E2 node
 //     |                 |<-------------|
-//
+//     |                 |              |
+//     |           [SUBS DELETE]        |
+//     |                 |              |
 //-----------------------------------------------------------------------------
-func TestRESTUnpackSubscriptionFailureUnknownInstanceId(t *testing.T) {
-       xapp.Logger.Info("TEST: TestRESTUnpackSubscriptionFailureUnknownInstanceId")
-       subReqCount := 1
-       parameterSet := 1 // E2SM-gNB-X2
-       actionDefinitionPresent := true
-       actionParamCount := 1
-
-       // Req
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       restSubId := xappConn1.SendRESTSubsReq(t, params)
-
-       crereq, cremsg := e2termConn1.RecvSubsReq(t)
 
-       // Unknown instanceId 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)
+func TestRESTUnpackSubscriptionDeleteResponseUnknownInstanceId(t *testing.T) {
 
-       _, cremsg = e2termConn1.RecvSubsReq(t)
+       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{cSubDelReqToE2, 1},
+               Counter{cSubDelReqTimerExpiry, 1},
+               Counter{cSubDelReReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cSubDelFailFromE2, 1},
+       })
 
-       xappConn1.ExpectRESTNotification(t, restSubId)
+       // Req
+       var params *teststube2ap.RESTSubsReqParams = nil
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
 
-       // Subscription already created in E2 Node.
-       fparams.SetCauseVal(0, 1, 3) // CauseRIC / duplicate-action
-       e2termConn1.SendSubsFail(t, fparams, cremsg)
+       // Del
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
 
+       // 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)
 
-       instanceId := xappConn1.WaitRESTNotification(t, restSubId)
-       xapp.Logger.Info("TEST: REST notification received e2SubsId=%v", instanceId)
+       // 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, crereq.RequestId.InstanceId, 10)
+       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)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTUnpackSubscriptionFailureNoTransaction
+// TestRESTUnpackSubscriptionDeleteResponseNoTransaction
 //
 //   stub                             stub
 // +-------+        +---------+    +---------+
 // | xapp  |        | submgr  |    | e2term  |
 // +-------+        +---------+    +---------+
 //     |                 |              |
-//     | RestSubReq      |              |
+//     |            [SUBS CREATE]       |
+//     |                 |              |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
 //     |---------------->|              |
 //     |                 |              |
-//     |     RESTSubResp |              |
+//     |  RESTSubDelResp |              |
 //     |<----------------|              |
 //     |                 |              |
-//     |                 | SubReq       |
+//     |                 | SubDelReq    |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |      SubFail | No transaction for the response
-//     |                 |<-------------|
-//     |                 |              |
-//     |                 | SubReq       |
-//     |                 |------------->|
+//     |                 |   SubDelResp | No transaction for the response
+//     |                 |<-------------| Ongoing transaction not found. This will result timer expiry and resending
 //     |                 |              |
-//     |                 |      SubFail | Duplicated action
-//     |                 |<-------------|
-//     | RESTNotif (fail)|              |
-//     |<----------------|              |
 //     |                 | SubDelReq    |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |   SubDelResp |
-//     |                 |<-------------|
-//
+//     |                 |   SubDelFail | Subscription does exist any more in E2 node
+//     |                 |<-------------| Ongoing transaction not found. This will result timer expiry
+//     |                 |              |
+//     |           [SUBS DELETE]        |
+//     |                 |              |
 //-----------------------------------------------------------------------------
-func TestRESTUnpackSubscriptionFailureNoTransaction(t *testing.T) {
-       xapp.Logger.Info("TEST: TestRESTUnpackSubscriptionFailureNoTransaction")
-       subReqCount := 1
-       parameterSet := 1 // E2SM-gNB-X2
-       actionDefinitionPresent := true
-       actionParamCount := 1
-
-       // Req
-       params := xappConn1.GetRESTSubsReqReportParams(subReqCount, parameterSet, actionDefinitionPresent, actionParamCount)
-       restSubId := xappConn1.SendRESTSubsReq(t, params)
 
-       crereq, cremsg := e2termConn1.RecvSubsReq(t)
+func TestRESTUnpackSubscriptionDeleteResponseNoTransaction(t *testing.T) {
 
-       mainCtrl.MakeTransactionNil(t, crereq.RequestId.InstanceId)
+       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{cSubDelReqToE2, 1},
+               Counter{cSubDelReqTimerExpiry, 2},
+               Counter{cSubDelReReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cSubDelFailFromE2, 1},
+       })
 
-       // No transaction exist for this response which will result resending original request
-       fparams := &teststube2ap.E2StubSubsFailParams{}
-       fparams.Set(crereq)
-       e2termConn1.SendSubsFail(t, fparams, cremsg)
+       // Req
+       var params *teststube2ap.RESTSubsReqParams = nil
+       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
 
-       _, cremsg = e2termConn1.RecvSubsReq(t)
+       // Del
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
 
-       xappConn1.ExpectRESTNotification(t, restSubId)
+       // E2t: Receive 1st SubsDelReq
+       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
 
-       // Subscription already created in E2 Node.
-       fparams.SetCauseVal(0, 1, 3) // CauseRIC / duplicate-action
-       e2termConn1.SendSubsFail(t, fparams, cremsg)
+       mainCtrl.MakeTransactionNil(t, e2SubsId)
 
-       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       // No transaction exist for this response which will result resending original request
        e2termConn1.SendSubsDelResp(t, delreq, delmsg)
 
-       // Resending happens because there no transaction
+       // E2t: Receive 2nd SubsDelReq
        delreq, delmsg = e2termConn1.RecvSubsDelReq(t)
-       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
 
-       instanceId := xappConn1.WaitRESTNotification(t, restSubId)
-       xapp.Logger.Info("TEST: REST notification received e2SubsId=%v", instanceId)
+       // Subscription does not exist in in E2 Node.
+       e2termConn1.SendSubsDelFail(t, delreq, delmsg)
 
        // Wait that subs is cleaned
-       mainCtrl.wait_subs_clean(t, crereq.RequestId.InstanceId, 10)
+       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)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTUnpackSubscriptionDeleteResponseDecodeFail
+// TestRESTUnpackSubscriptionDeleteFailureDecodeFail
 //
 //   stub                             stub
 // +-------+        +---------+    +---------+
@@ -5525,19 +8350,34 @@ func TestRESTUnpackSubscriptionFailureNoTransaction(t *testing.T) {
 //     |                 | SubDelReq    |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |   SubDelResp | ASN.1 decode fails
-//     |                 |<-------------|
+//     |                 |   SubDelFail | ASN.1 decode fails
+//     |                 |<-------------| Decode failed. More data needed. This will result timer expiry and resending
 //     |                 |              |
 //     |                 | SubDelReq    |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |   SubDelFail | Subscription does exist any more
+//     |                 |   SubDelFail | Subscription does exist any more in E2 node
 //     |                 |<-------------|
 //     |                 |              |
-//
+//     |           [SUBS DELETE]        |
+//     |                 |              |
 //-----------------------------------------------------------------------------
-func TestRESTUnpackSubscriptionDeleteResponseDecodeFail(t *testing.T) {
-       xapp.Logger.Info("TEST: TestRESTUnpackSubscriptionDeleteResponseDecodeFail")
+
+func TestRESTUnpackSubscriptionDeleteFailureDecodeFail(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{cRestSubDelRespToXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelReqTimerExpiry, 1},
+               Counter{cSubDelReReqToE2, 1},
+               Counter{cSubDelFailFromE2, 2},
+       })
 
        // Req
        var params *teststube2ap.RESTSubsReqParams = nil
@@ -5550,7 +8390,7 @@ func TestRESTUnpackSubscriptionDeleteResponseDecodeFail(t *testing.T) {
        delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
 
        // Decode of this response fails which will result resending original request
-       e2termConn1.SendInvalidE2Asn1Resp(t, delmsg, xapp.RIC_SUB_DEL_REQ)
+       e2termConn1.SendInvalidE2Asn1Resp(t, delmsg, xapp.RIC_SUB_DEL_FAILURE)
 
        // E2t: Receive 2nd SubsDelReq and send SubsDelResp
        delreq, delmsg = e2termConn1.RecvSubsDelReq(t)
@@ -5564,10 +8404,12 @@ func TestRESTUnpackSubscriptionDeleteResponseDecodeFail(t *testing.T) {
        xappConn1.TestMsgChanEmpty(t)
        e2termConn1.TestMsgChanEmpty(t)
        mainCtrl.wait_registry_empty(t, 10)
+       mainCtrl.VerifyAllClean(t)
+       mainCtrl.VerifyCounterValues(t)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTUnpackSubscriptionDeleteResponseUnknownInstanceId
+// TestRESTUnpackSubscriptionDeleteailureUnknownInstanceId
 //
 //   stub                             stub
 // +-------+        +---------+    +---------+
@@ -5586,18 +8428,34 @@ func TestRESTUnpackSubscriptionDeleteResponseDecodeFail(t *testing.T) {
 //     |                 | SubDelReq    |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |   SubDelResp | Unknown instanceId
-//     |                 |<-------------|
+//     |                 |   SubDelFail | Unknown instanceId
+//     |                 |<-------------| No valid subscription found with subIds [0]. This will result timer expiry and resending
 //     |                 |              |
 //     |                 | SubDelReq    |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |   SubDelFail | Subscription does exist any more
-//     |                 |<-------------|
-//
+//     |                 |   SubDelFail | Subscription does exist any more in E2 node
+//     |                 |<-------------| No valid subscription found with subIds [0].
+//     |                 |              |
+//     |           [SUBS DELETE]        |
+//     |                 |              |
 //-----------------------------------------------------------------------------
-func TestRESTUnpackSubscriptionDeleteResponseUnknownInstanceId(t *testing.T) {
-       xapp.Logger.Info("TEST: TestRESTUnpackSubscriptionDeleteResponseUnknownInstanceId")
+
+func TestRESTUnpackSubscriptionDeleteailureUnknownInstanceId(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{cRestSubDelRespToXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelReqTimerExpiry, 1},
+               Counter{cSubDelReReqToE2, 1},
+               Counter{cSubDelFailFromE2, 2},
+       })
 
        // Req
        var params *teststube2ap.RESTSubsReqParams = nil
@@ -5609,14 +8467,14 @@ func TestRESTUnpackSubscriptionDeleteResponseUnknownInstanceId(t *testing.T) {
        // E2t: Receive 1st SubsDelReq
        delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
 
-       // Unknown instanceId in this response which will result resending original request
+       // Unknown instanceId in this response which will result resending original request
        delreq.RequestId.InstanceId = 0
-       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+       e2termConn1.SendSubsDelFail(t, delreq, delmsg)
 
        // E2t: Receive 2nd SubsDelReq
        delreq, delmsg = e2termConn1.RecvSubsDelReq(t)
 
-       // Subscription does not exist in in E2 Node.
+       // 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)
 
        // Wait that subs is cleaned
@@ -5625,10 +8483,12 @@ func TestRESTUnpackSubscriptionDeleteResponseUnknownInstanceId(t *testing.T) {
        xappConn1.TestMsgChanEmpty(t)
        e2termConn1.TestMsgChanEmpty(t)
        mainCtrl.wait_registry_empty(t, 10)
+       mainCtrl.VerifyAllClean(t)
+       mainCtrl.VerifyCounterValues(t)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTUnpackSubscriptionDeleteResponseNoTransaction
+// TestRESTUnpackSubscriptionDeleteFailureNoTransaction
 //
 //   stub                             stub
 // +-------+        +---------+    +---------+
@@ -5647,18 +8507,34 @@ func TestRESTUnpackSubscriptionDeleteResponseUnknownInstanceId(t *testing.T) {
 //     |                 | SubDelReq    |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |   SubDelResp | No transaction for the response
-//     |                 |<-------------|
+//     |                 |   SubDelFail | No transaction for the response
+//     |                 |<-------------| Ongoing transaction not found. This will result timer expiry and resending
 //     |                 |              |
 //     |                 | SubDelReq    |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |   SubDelFail | Subscription does exist any more
-//     |                 |<-------------|
-//
+//     |                 |   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) {
-       xapp.Logger.Info("TEST: TestRESTUnpackSubscriptionDeleteResponseNoTransaction")
+
+func TestRESTUnpackSubscriptionDeleteFailureNoTransaction(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{cRestSubDelRespToXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelReqTimerExpiry, 2},
+               Counter{cSubDelReReqToE2, 1},
+               Counter{cSubDelFailFromE2, 2},
+       })
 
        // Req
        var params *teststube2ap.RESTSubsReqParams = nil
@@ -5673,7 +8549,7 @@ func TestRESTUnpackSubscriptionDeleteResponseNoTransaction(t *testing.T) {
        mainCtrl.MakeTransactionNil(t, e2SubsId)
 
        // No transaction exist for this response which will result resending original request
-       e2termConn1.SendSubsDelResp(t, delreq, delmsg)
+       e2termConn1.SendSubsDelFail(t, delreq, delmsg)
 
        // E2t: Receive 2nd SubsDelReq
        delreq, delmsg = e2termConn1.RecvSubsDelReq(t)
@@ -5687,249 +8563,354 @@ func TestRESTUnpackSubscriptionDeleteResponseNoTransaction(t *testing.T) {
        xappConn1.TestMsgChanEmpty(t)
        e2termConn1.TestMsgChanEmpty(t)
        mainCtrl.wait_registry_empty(t, 10)
+       mainCtrl.VerifyAllClean(t)
+       mainCtrl.VerifyCounterValues(t)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTUnpackSubscriptionDeleteFailureDecodeFail
+// TestRESTSubReqFailAsn1PackSubReqError
 //
 //   stub                             stub
 // +-------+        +---------+    +---------+
 // | xapp  |        | submgr  |    | e2term  |
 // +-------+        +---------+    +---------+
 //     |                 |              |
-//     |            [SUBS CREATE]       |
-//     |                 |              |
-//     |                 |              |
-//     | RESTSubDelReq   |              |
+//     | RESTSubReq      |              |
 //     |---------------->|              |
 //     |                 |              |
-//     |  RESTSubDelResp |              |
+//     |     RESTSubResp |              |
 //     |<----------------|              |
 //     |                 |              |
+//     |        ASN.1 encode fails      |
+//     |                 |              |
 //     |                 | SubDelReq    |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |   SubDelFail | ASN.1 decode fails
+//     |                 |  SubDelFail  |
 //     |                 |<-------------|
 //     |                 |              |
-//     |                 | SubDelReq    |
-//     |                 |------------->|
+//     |       RESTNotif |              |
+//     |       unsuccess |              |
+//     |<----------------|              |
+//     |                 |              |
+//     |            [SUBS DELETE]       |
 //     |                 |              |
-//     |                 |   SubDelFail | Subscription does exist any more
-//     |                 |<-------------|
 //
 //-----------------------------------------------------------------------------
-func TestRESTUnpackSubscriptionDeleteFailureDecodeFail(t *testing.T) {
-       xapp.Logger.Info("TEST: TestRESTUnpackSubscriptionDeleteFailureDecodeFail")
 
-       // Req
+func TestRESTSubReqFailAsn1PackSubReqError(t *testing.T) {
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cRestSubFailNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       const subReqCount int = 1
+
        var params *teststube2ap.RESTSubsReqParams = nil
-       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
+       params = xappConn1.GetRESTSubsReqReportParams(subReqCount)
+       e2ap_wrapper.AllowE2apToProcess(e2ap_wrapper.SUB_REQ, false)
 
-       // Del
-       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       // Req
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST subscriber request for subscriberId : %v", restSubId)
 
-       // E2t: Receive 1st SubsDelReq
-       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       // E2t: Receive SubsDelReq
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
 
-       // Decode of this response fails which will result resending original request
-       e2termConn1.SendInvalidE2Asn1Resp(t, delmsg, xapp.RIC_SUB_DEL_FAILURE)
+       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
+       xapp.Logger.Debug("TEST: REST notification received e2SubsId=%v", e2SubsId)
 
-       // E2t: Receive 2nd SubsDelReq and send SubsDelResp
-       delreq, delmsg = e2termConn1.RecvSubsDelReq(t)
+       e2ap_wrapper.AllowE2apToProcess(e2ap_wrapper.SUB_REQ, true)
 
-       // Subscription does not exist in in E2 Node.
-       e2termConn1.SendSubsDelFail(t, delreq, delmsg)
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
 
        // Wait that subs is cleaned
-       mainCtrl.wait_subs_clean(t, e2SubsId, 10)
-
-       xappConn1.TestMsgChanEmpty(t)
-       e2termConn1.TestMsgChanEmpty(t)
-       mainCtrl.wait_registry_empty(t, 10)
+       waitSubsCleanup(t, e2SubsId, 10)
+       mainCtrl.VerifyAllClean(t)
+       mainCtrl.VerifyCounterValues(t)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTUnpackSubscriptionDeleteailureUnknownInstanceId
+// TestRESTSubReqPolicyUpdateTimeoutAndSubDelOkSameAction
 //
 //   stub                             stub
 // +-------+        +---------+    +---------+
 // | xapp  |        | submgr  |    | e2term  |
 // +-------+        +---------+    +---------+
 //     |                 |              |
-//     |            [SUBS CREATE]       |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
 //     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
 //     |                 |              |
-//     | RESTSubDelReq   |              |
-//     |---------------->|              |
+//     |                 |      SubResp |
+//     |                 |<-------------|
 //     |                 |              |
-//     |  RESTSubDelResp |              |
+//     |       RESTNotif |              |
 //     |<----------------|              |
 //     |                 |              |
-//     |                 | SubDelReq    |
+//     | RESTSubReq      |              |  Policy modification
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |   SubDelFail | Unknown instanceId
-//     |                 |<-------------|
+//     |                 |              |
+//     |       RESTNotif(Unsuccessful)  |  E2 timeout
+//     |<----------------|              |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
 //     |                 |              |
 //     |                 | SubDelReq    |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |   SubDelFail | Subscription does exist any more
+//     |                 |   SubDelResp |
 //     |                 |<-------------|
+//     |                 |              |
+//     |  RESTSubDelResp |              |
+//     |<----------------|              |
 //
 //-----------------------------------------------------------------------------
-func TestRESTUnpackSubscriptionDeleteailureUnknownInstanceId(t *testing.T) {
-       xapp.Logger.Info("TEST: TestRESTUnpackSubscriptionDeleteailureUnknownInstanceId")
 
-       // Req
-       var params *teststube2ap.RESTSubsReqParams = nil
-       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
+func TestRESTSubReqPolicyUpdateTimeoutAndSubDelOkSameAction(t *testing.T) {
 
-       // Del
-       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
+               Counter{cSubReqToE2, 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},
+       })
 
-       // E2t: Receive 1st SubsDelReq
-       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       const e2Timeout int64 = 1
+       const e2RetryCount int64 = 0
+       const routingNeeded bool = false
 
-       // Unknown instanceId in this response which will result resending original request
-       delreq.RequestId.InstanceId = 0
-       e2termConn1.SendSubsDelFail(t, delreq, delmsg)
+       // Req1
+       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
 
-       // E2t: Receive 2nd SubsDelReq
-       delreq, delmsg = e2termConn1.RecvSubsDelReq(t)
+       // Subs Create
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST subscribe request for subscriberId : %v", restSubId)
 
-       // Subscription does not exist in in E2 Node.
-       e2termConn1.SendSubsDelFail(t, delreq, delmsg)
+       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)
 
-       // Wait that subs is cleaned
-       mainCtrl.wait_subs_clean(t, e2SubsId, 10)
+       // 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)
 
-       xappConn1.TestMsgChanEmpty(t)
-       e2termConn1.TestMsgChanEmpty(t)
-       mainCtrl.wait_registry_empty(t, 10)
+       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)
+
+       // 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)
 }
 
 //-----------------------------------------------------------------------------
-// TestRESTUnpackSubscriptionDeleteFailureNoTransaction
+// TestPolicyUpdateRESTSubReqAndSubDelOkWithRestartInMiddle
 //
 //   stub                             stub
 // +-------+        +---------+    +---------+
 // | xapp  |        | submgr  |    | e2term  |
 // +-------+        +---------+    +---------+
 //     |                 |              |
-//     |            [SUBS CREATE]       |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
 //     |                 |              |
+//     |                 |      SubResp |
+//     |                 |<-------------|
 //     |                 |              |
-//     | RESTSubDelReq   |              |
+//     |       RESTNotif |              |
+//     |<----------------|              |
+//     |                 |              |
+//     | RESTSubReq      |              |
 //     |---------------->|              |
 //     |                 |              |
-//     |  RESTSubDelResp |              |
+//     |     RESTSubResp |              |
 //     |<----------------|              |
-//     |                 |              |
-//     |                 | SubDelReq    |
+//     |                 | SubReq       |
 //     |                 |------------->|
+//     |                                |
+//     |           Submgr restart       |
 //     |                 |              |
-//     |                 |   SubDelFail | No transaction for the response
-//     |                 |<-------------|
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
 //     |                 |              |
 //     |                 | SubDelReq    |
 //     |                 |------------->|
 //     |                 |              |
-//     |                 |   SubDelFail | Subscription does exist any more
+//     |                 |   SubDelResp |
 //     |                 |<-------------|
+//     |                 |              |
+//     |  RESTSubDelResp |              |
+//     |<----------------|              |
 //
 //-----------------------------------------------------------------------------
-func TestRESTUnpackSubscriptionDeleteFailureNoTransaction(t *testing.T) {
-       xapp.Logger.Info("TEST: TestRESTUnpackSubscriptionDeleteFailureNoTransaction")
 
-       // Req
-       var params *teststube2ap.RESTSubsReqParams = nil
-       restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
+func TestPolicyUpdateRESTSubReqAndSubDelOkWithRestartInMiddle(t *testing.T) {
 
-       // Del
-       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
+               Counter{cSubReqToE2, 2},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
 
-       // E2t: Receive 1st SubsDelReq
-       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
+       const e2Timeout int64 = 1
+       const e2RetryCount int64 = 0
+       const routingNeeded bool = false
 
-       mainCtrl.MakeTransactionNil(t, e2SubsId)
+       // 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)
 
-       // No transaction exist for this response which will result resending original request
-       e2termConn1.SendSubsDelFail(t, delreq, delmsg)
+       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)
 
-       // E2t: Receive 2nd SubsDelReq
-       delreq, delmsg = e2termConn1.RecvSubsDelReq(t)
+       // Check subscription
+       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
 
-       // Subscription does not exist in in E2 Node.
-       e2termConn1.SendSubsDelFail(t, delreq, delmsg)
+       // 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)
 
-       // Wait that subs is cleaned
-       mainCtrl.wait_subs_clean(t, e2SubsId, 10)
+       crereq1, cremsg1 = e2termConn1.RecvSubsReq(t)
+       mainCtrl.SetResetTestFlag(t, false)
 
-       xappConn1.TestMsgChanEmpty(t)
-       e2termConn1.TestMsgChanEmpty(t)
-       mainCtrl.wait_registry_empty(t, 10)
+       // SubsResp is missing due to submgr restart
+
+       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
+       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)
 }
 
 ////////////////////////////////////////////////////////////////////////////////////
 //   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)
@@ -5941,7 +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
 }
@@ -5966,9 +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) {
@@ -5986,14 +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
@@ -6002,11 +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)
        }