Fix for E2 SubscriptionFailure message handling
[ric-plt/submgr.git] / pkg / control / ut_messaging_test.go
index f95855e..5cc7458 100644 (file)
 package control
 
 import (
+       //"os"
        "strings"
        "testing"
        "time"
 
        "gerrit.o-ran-sc.org/r/ric-plt/e2ap/pkg/e2ap"
        "gerrit.o-ran-sc.org/r/ric-plt/e2ap/pkg/e2ap_wrapper"
+       "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
        "gerrit.o-ran-sc.org/r/ric-plt/submgr/pkg/teststube2ap"
        "gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
        "github.com/stretchr/testify/assert"
 )
 
 func 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())
 
        SetPackerIf(e2ap_wrapper.NewUtAsn1E2APPacker())
+       mainCtrl.c.restDuplicateCtrl.Init()
+
+}
+func TestRanStatusChangeViaSDLNotification(t *testing.T) {
+
+       // 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")
+}
+
+//-----------------------------------------------------------------------------
+// TestRESTSubReqAfterE2ConnBreak
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     |         [E2 Conn. DOWN]        |
+//     |                 |              |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     |     RESTSubFail |              |
+//     |<----------------|              |
+//     |                 |              |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqAfterE2ConnBreak(t *testing.T) {
+       CaseBegin("TestRESTSubReqAfterE2ConnBreak")
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestReqRejDueE2Down, 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.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) {
+       CaseBegin("TestRESTSubReqE2ConnBreak")
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 1},
+               Counter{cRestSubRespToXapp, 1},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubFailNotifToXapp, 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)
+}
+
+//-----------------------------------------------------------------------------
+// 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},
+       })
+
+       // 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)
+}
+
+//-----------------------------------------------------------------------------
+// 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},
+       })
+
+       // 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 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)
 }
 
 //-----------------------------------------------------------------------------
@@ -1172,12 +1446,6 @@ func TestSubReqTwoRetriesNoRespAtAllInSubmgr(t *testing.T) {
 //     |              |      SubFail |
 //     |              |<-------------|
 //     |              |              |
-//     |              | SubDelReq    |
-//     |              |------------->|
-//     |              |              |
-//     |              |   SubDelResp |
-//     |              |<-------------|
-//     |              |              |
 //     |      SubFail |              |
 //     |<-------------|              |
 //     |              |              |
@@ -1203,10 +1471,6 @@ 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)
 
@@ -1481,8 +1745,6 @@ 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()
@@ -1492,11 +1754,7 @@ 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)
@@ -1618,11 +1876,6 @@ func TestSubReqAndSubDelOkSameActionParallel(t *testing.T) {
 //     |             |              |    SubFail1  |
 //     |             |              |<-------------|
 //     |             |              |              |
-//     |             |              | SubDelReq    |
-//     |             |              |------------->|
-//     |             |              |   SubDelResp |
-//     |             |              |<-------------|
-//     |             |              |              |
 //     |             |    SubFail1  |              |
 //     |             |<-------------|              |
 //     |             |              |              |
@@ -1653,10 +1906,6 @@ 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
@@ -2131,6 +2380,7 @@ 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)
 
@@ -2367,6 +2617,11 @@ func TestPostEmptyDb(t *testing.T) {
        mainCtrl.sendPostRequest(t, "localhost:8080", "/ric/v1/test/emptydb")
 }
 
+func TestGetRestSubscriptions(t *testing.T) {
+
+       mainCtrl.sendGetRequest(t, "localhost:8080", "/ric/v1/restsubscriptions")
+}
+
 //-----------------------------------------------------------------------------
 // TestRESTSubReqAndRouteNok
 //
@@ -2411,6 +2666,7 @@ func TestRESTSubReqAndRouteNok(t *testing.T) {
        })
 
        const subReqCount 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)
@@ -2418,11 +2674,11 @@ func TestRESTSubReqAndRouteNok(t *testing.T) {
        // Req
        params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
        restSubId := xappConn1.SendRESTSubsReq(t, params)
-       xappConn1.ExpectRESTNotification(t, restSubId)
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "failAll")
        waiter.WaitResult(t)
 
        e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
-       xapp.Logger.Info("TEST: REST notification received e2SubsId=%v", e2SubsId)
+       xapp.Logger.Debug("TEST: REST notification received e2SubsId=%v", e2SubsId)
 
        // Del
        xappConn1.SendRESTSubsDelReq(t, &restSubId)
@@ -2464,8 +2720,8 @@ func TestRESTSubReqAndRouteUpdateNok(t *testing.T) {
        params = xappConn2.GetRESTSubsReqReportParams(subReqCount)
        params.SetMeid("RAN_NAME_1")
        restSubId2 := xappConn2.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST subscriber request for second subscriber : %v", restSubId2)
-       xappConn2.ExpectRESTNotification(t, restSubId2)
+       xapp.Logger.Debug("Send REST subscriber request for second subscriber : %v", restSubId2)
+       xappConn2.ExpectRESTNotificationNok(t, restSubId2, "allFail")
        waiter.WaitResult(t)
        // e2SubsId2 := xappConn2.WaitRESTNotification(t, restSubId2) - TOD: missing delete
        xappConn2.WaitRESTNotification(t, restSubId2)
@@ -2553,7 +2809,6 @@ func TestRESTSubMergeDelAndRouteUpdateNok(t *testing.T) {
        deleteXapp2Subscription(t, &restSubId2)
 
        waitSubsCleanup(t, e2SubsId2, 10)
-
        mainCtrl.VerifyCounterValues(t)
 }
 
@@ -2576,19 +2831,13 @@ func TestRESTSubMergeDelAndRouteUpdateNok(t *testing.T) {
 //     | RESTSubReq2     |              |
 //     | (retrans)       |              |
 //     |---------------->|              |
-//     |                 |              |
-//     |                 | SubReq2      |
-//     |                 |------------->|
-//     |    RESTSubResp2 |              |
+//     | RESTSubResp(201)|              |
 //     |<----------------|              |
+//     |                 |              |
 //     |                 |     SubResp1 |
 //     |                 |<-------------|
 //     |      RESTNotif1 |              |
 //     |<----------------|              |
-//     |                 |     SubResp1 |
-//     |                 |<-------------|
-//     |      RESTNotif2 |              |
-//     |<----------------|              |
 //     |                 |              |
 //     |            [SUBS DELETE]       |
 //     |                 |              |
@@ -2601,15 +2850,15 @@ func TestRESTSubReqRetransmission(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},
+               Counter{cSubReqToE2, 1},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 1},
        })
-       // Retry/duplicate will get the same way as the first request.  Submgr cannot detect duplicate RESTRequests
+       // Retry/duplicate will get the same way as the first request.
        // Contianed duplicate messages from same xapp will not be merged. Here we use xappConn2 to simulate sending
        // second request from same xapp as doing it from xappConn1 would not work as notification would not be received
 
@@ -2621,38 +2870,574 @@ func TestRESTSubReqRetransmission(t *testing.T) {
        waiter := rtmgrHttp.AllocNextSleep(10, true)
        params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
        restSubId1 := xappConn1.SendRESTSubsReq(t, params)
-       restSubId2 := xappConn2.SendRESTSubsReq(t, params)
+       xappConn2.SendRESTSubsReq(t, params)
 
        waiter.WaitResult(t)
 
-       xappConn1.WaitListedRestNotifications(t, []string{restSubId1, restSubId2})
+       xappConn1.WaitListedRestNotifications(t, []string{restSubId1})
+
+       // 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)
+
+       e2SubsIdA := <-xappConn1.ListedRESTNotifications
+       xapp.Logger.Debug("TEST: 1.st XAPP notification received e2SubsId=%v", e2SubsIdA)
+
+       // Del1
+       xappConn1.SendRESTSubsDelReq(t, &restSubId1)
+       delreq1, delmsg1 := e2termConn1.RecvSubsDelReq(t)
+       e2termConn1.SendSubsDelResp(t, delreq1, delmsg1)
+
+       mainCtrl.wait_multi_subs_clean(t, []uint32{e2SubsIdA.E2SubsId}, 10)
+
+       mainCtrl.VerifyCounterValues(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      |              |             |
+//     | [RETRANS1]      |              |             |
+//     |---------------->|              |             |
+//     |      RESTNotif1 |              |             |
+//     |<----------------|              |             |
+//     | RESTSubReq      |              |             |
+//     | [RETRANS2]      |              |             |
+//     |---------------->|              |             |
+//     |      RESTNotif1 |              |             |
+//     |<----------------|              |             |
+//     | RESTSubDelReq   |              |             |
+//     |---------------->|              |             |
+//     |                 | SubDelReq    |             |
+//     |                 |------------->|             |
+//     |   RESTSubDelResp|              |             |
+//     |<----------------|              |             |
+//     |                 |   SubDelResp |             |
+//     |                 |<-------------|             |
+//     |                 |              |             |
+//
+//-----------------------------------------------------------------------------
+
+func TestRESTSubReqRetransmissionV2(t *testing.T) {
+       CaseBegin("TestRESTSubReqRetransmissionV2")
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 3},
+               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"})
+
+       //1.st resend
+       restSubId_resend := xappConn1.SendRESTSubsReq(t, params)
+
+       assert.Equal(t, restSubId_resend, restSubId)
+
+       <-time.After(100 * time.Millisecond)
+
+       //2.nd resend
+       restSubId_resend2 := xappConn1.SendRESTSubsReq(t, params)
+
+       assert.Equal(t, restSubId_resend2, restSubId)
+
+       <-time.After(100 * time.Millisecond)
+
+       deleteSubscription(t, xappConn1, e2termConn1, &restSubId)
+
+       waitSubsCleanup(t, e2SubsId, 10)
+
+       //Wait that subs is cleaned
+       mainCtrl.VerifyCounterValues(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) {
+       CaseBegin("TestRESTSubReqRetransmissionV3")
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 3},
+               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"})
+
+       <-time.After(100 * time.Millisecond)
+
+       //1.st resend with subscription ID
+       params.SetSubscriptionID(&restSubId)
+       restSubId_resend := xappConn1.SendRESTSubsReq(t, params)
+
+       assert.Equal(t, restSubId_resend, restSubId)
+
+       <-time.After(100 * time.Millisecond)
+
+       //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)
+
+       <-time.After(100 * time.Millisecond)
+
+       deleteSubscription(t, xappConn1, e2termConn1, &restSubId)
+
+       waitSubsCleanup(t, e2SubsId, 10)
+
+       //Wait that subs is cleaned
+       mainCtrl.VerifyCounterValues(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) {
+       CaseBegin("TestRESTSubReqRetransmissionV4")
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 3},
+               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)
+
+       <-time.After(100 * time.Millisecond)
+
+       // 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)
+
+       <-time.After(100 * time.Millisecond)
+
+       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)
+
+       // Delete both e2 subscriptions
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       e2SubsIds := []uint32{e2SubsId, e2SubsId2}
+       sendAndReceiveMultipleE2DelReqs(t, e2SubsIds, e2termConn1)
+
+       waitSubsCleanup(t, e2SubsId, 10)
+
+       //Wait that subs is cleaned
+       mainCtrl.VerifyCounterValues(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) {
+       CaseBegin("TestRESTSubReqRetransmissionV5")
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 3},
+               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)
+
+       <-time.After(100 * time.Millisecond)
+
+       // 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)
+       // 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)
+
+       <-time.After(100 * time.Millisecond)
+
+       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)
+
+       // Delete both e2 subscriptions
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       e2SubsIds := []uint32{e2SubsId, e2SubsId2}
+       sendAndReceiveMultipleE2DelReqs(t, e2SubsIds, e2termConn1)
+
+       waitSubsCleanup(t, e2SubsId, 10)
+
+       //Wait that subs is cleaned
+       mainCtrl.VerifyCounterValues(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) {
+       CaseBegin("TestRESTSubReqRetransmissionV6")
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 3},
+               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)
+
+       <-time.After(100 * time.Millisecond)
+
+       // 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)
+
+       <-time.After(100 * time.Millisecond)
 
-       // 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)
+       // Delete both e2 subscriptions
+       xappConn1.SendRESTSubsDelReq(t, &restSubId)
+       e2SubsIds := []uint32{e2SubsId, e2SubsId2}
+       sendAndReceiveMultipleE2DelReqs(t, e2SubsIds, e2termConn1)
 
-       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)
+       waitSubsCleanup(t, e2SubsId, 10)
 
-       // Del1
-       xappConn1.SendRESTSubsDelReq(t, &restSubId1)
-       delreq1, delmsg1 := e2termConn1.RecvSubsDelReq(t)
-       e2termConn1.SendSubsDelResp(t, delreq1, delmsg1)
+       // 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)
 
-       // Del2
-       xappConn2.SendRESTSubsDelReq(t, &restSubId2)
-       delreq2, delmsg2 := e2termConn1.RecvSubsDelReq(t)
-       e2termConn1.SendSubsDelResp(t, delreq2, delmsg2)
+       <-time.After(100 * time.Millisecond)
 
-       mainCtrl.wait_multi_subs_clean(t, []uint32{e2SubsIdA.E2SubsId, e2SubsIdB.E2SubsId}, 10)
+       deleteSubscription(t, xappConn1, e2termConn1, &restSubId)
 
-       waitSubsCleanup(t, e2SubsIdB.E2SubsId, 10)
+       waitSubsCleanup(t, e2SubsId, 10)
 
+       //Wait that subs is cleaned
        mainCtrl.VerifyCounterValues(t)
 }
 
@@ -2786,12 +3571,12 @@ func TestRESTSubReqAndSubDelOkTwoParallel(t *testing.T) {
        //Req1
        params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
        restSubId1 := xappConn1.SendRESTSubsReq(t, 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)
 
        //Req2
        params = xappConn2.GetRESTSubsReqReportParams(subReqCount)
        restSubId2 := xappConn2.SendRESTSubsReq(t, 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)
 
        crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
        crereq2, cremsg2 := e2termConn1.RecvSubsReq(t)
@@ -2805,9 +3590,9 @@ func TestRESTSubReqAndSubDelOkTwoParallel(t *testing.T) {
        e2termConn1.SendSubsResp(t, crereq2, cremsg2)
 
        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
        deleteSubscription(t, xappConn1, e2termConn1, &restSubId1)
@@ -2839,12 +3624,12 @@ func TestRESTSameSubsDiffRan(t *testing.T) {
 
        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)
        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)
@@ -2879,11 +3664,11 @@ func TestRESTSubReqRetryInSubmgr(t *testing.T) {
        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)
@@ -2941,6 +3726,7 @@ func TestRESTSubReqRetryInSubmgr(t *testing.T) {
 //     |                 |              |
 //
 //-----------------------------------------------------------------------------
+
 func TestRESTSubReqRetryNoRespSubDelRespInSubmgr(t *testing.T) {
        CaseBegin("TestRESTSubReqTwoRetriesNoRespSubDelRespInSubmgr start")
 
@@ -2957,18 +3743,17 @@ func TestRESTSubReqRetryNoRespSubDelRespInSubmgr(t *testing.T) {
 
        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)
 
        // Wait that subs is cleaned
@@ -2993,20 +3778,20 @@ func TestREST2eTermNotRespondingToSubReq(t *testing.T) {
 
        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)
 
@@ -3071,20 +3856,20 @@ func TestRESTSubReqTwoRetriesNoRespAtAllInSubmgr(t *testing.T) {
 
        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)
 
@@ -3112,12 +3897,6 @@ func TestRESTSubReqTwoRetriesNoRespAtAllInSubmgr(t *testing.T) {
 //     |                 |      SubFail |
 //     |                 |<-------------|
 //     |                 |              |
-//     |                 | SubDelReq    |
-//     |                 |------------->|
-//     |                 |              |
-//     |                 |   SubDelResp |
-//     |                 |<-------------|
-//     |                 |              |
 //     |       RESTNotif |              |
 //     |       unsuccess |              |
 //     |<----------------|              |
@@ -3139,20 +3918,22 @@ func TestRESTSubReqSubFailRespInSubmgr(t *testing.T) {
        })
 
        const subReqCount int = 1
+       const e2Timeout int64 = 2
+       const e2RetryCount int64 = 1
+       const routingNeeded bool = true
 
        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)
@@ -3422,13 +4203,13 @@ func TestRESTSubReqAndSubDelOkSameAction(t *testing.T) {
        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"})
 
@@ -3626,9 +4407,9 @@ 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)
@@ -3675,12 +4456,8 @@ 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 |              |
@@ -3703,8 +4480,6 @@ func TestRESTSubReqAndSubDelNokSameActionParallel(t *testing.T) {
                Counter{cSubFailFromE2, 1},
                Counter{cRestSubFailNotifToXapp, 2},
                Counter{cRestSubDelReqFromXapp, 2},
-               Counter{cSubDelReqToE2, 1},
-               Counter{cSubDelRespFromE2, 1},
                Counter{cRestSubDelRespToXapp, 2},
        })
 
@@ -3727,15 +4502,11 @@ 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)
@@ -3766,17 +4537,15 @@ func TestRESTSubReqPolicyAndSubDelOk(t *testing.T) {
                Counter{cRestSubDelRespToXapp, 1},
        })
 
-       const subReqCount int = 1
-
        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)
@@ -3852,15 +4621,20 @@ func TestRESTSubReqPolicyChangeAndSubDelOk(t *testing.T) {
        })
 
        const subReqCount int = 1
+       const e2Timeout int64 = 1
+       const e2RetryCount int64 = 0
+       const routingNeeded bool = true
 
        // Req
        params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
        restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
 
        // Policy change
-       // GetRESTSubsReqPolicyParams sets some coutners on tc side.
+       // 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)
@@ -3901,7 +4675,7 @@ func TestRESTSubReqPolicyChangeAndSubDelOk(t *testing.T) {
 //     | RESTSubReq      |              |
 //     |---------------->|              |
 //     |                 |              |
-//     |         RESTSubUpdateFail      |
+//     |         RESTSubUpdateFail(400 Bad request)
 //     |                 |              |
 //     | RESTSubDelReq   |              |
 //     |---------------->|              |
@@ -3932,17 +4706,14 @@ func TestRESTSubReqPolicyChangeNOk(t *testing.T) {
                Counter{cRestSubDelRespToXapp, 1},
        })
 
-       const subReqCount int = 1
-
        // Req
        params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
        restSubId, e2SubsId := createSubscription(t, xappConn1, e2termConn1, params)
 
        // Policy change
-
        params = xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
 
-       restSubIdUpd := strings.ToUpper(restSubId)
+       restSubIdUpd := strings.ToUpper(restSubId) // This makes RESTSubReq to fail
        params.SetSubscriptionID(&restSubIdUpd)
        params.SetTimeToWait("w200ms")
 
@@ -4036,13 +4807,13 @@ 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)
@@ -4088,7 +4859,7 @@ func TestRESTSubReqAndSubDelOkTwoE2termParallel(t *testing.T) {
 func TestRESTSubReqAsn1EncodeFail(t *testing.T) {
        CaseBegin("TestRESTSubReqAsn1EncodeFail")
 
-       xapp.Logger.Info("Xapp-frame, v0.8.1 sufficient REST API validation")
+       xapp.Logger.Debug("Xapp-frame, v0.8.1 sufficient REST API validation")
 
 }
 
@@ -4212,7 +4983,7 @@ func TestRESTSubReqNokAndSubDelOkWithRestartInMiddle(t *testing.T) {
        //Req
        mainCtrl.SetResetTestFlag(t, true) // subs.DoNotWaitSubResp will be set TRUE for the subscription
        restSubId := xappConn1.SendRESTSubsReq(t, params)
-       xapp.Logger.Info("Send REST subscriber request for subscriber : %v", restSubId)
+       xapp.Logger.Debug("Send REST subscriber request for subscriber : %v", restSubId)
 
        e2termConn1.RecvSubsReq(t)
 
@@ -4271,6 +5042,7 @@ func TestRESTSubReqNokAndSubDelOkWithRestartInMiddle(t *testing.T) {
 //     |<----------------|              |
 //
 //-----------------------------------------------------------------------------
+
 func TestRESTSubReqAndSubDelOkWithRestartInMiddle(t *testing.T) {
        CaseBegin("TestRESTSubReqAndSubDelOkWithRestartInMiddle")
 
@@ -4292,17 +5064,13 @@ func TestRESTSubReqAndSubDelOkWithRestartInMiddle(t *testing.T) {
 
        // Create subscription
        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")
 
        // Check subscription
        queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
@@ -4370,6 +5138,7 @@ func TestRESTSubReqAndSubDelOkWithRestartInMiddle(t *testing.T) {
 //     |             |                 |              |
 //
 //-----------------------------------------------------------------------------
+
 func TestRESTSubReqAndSubDelOkSameActionWithRestartsInMiddle(t *testing.T) {
        CaseBegin("TestRESTSubReqAndSubDelOkSameActionWithRestartsInMiddle")
 
@@ -4394,38 +5163,30 @@ func TestRESTSubReqAndSubDelOkSameActionWithRestartsInMiddle(t *testing.T) {
 
        // Create subscription 1
        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)
        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")
+       mainCtrl.SimulateRestart(t)
+       xapp.Logger.Debug("mainCtrl.SimulateRestart done")
 
        // 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)
 
-       // 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")
        queryXappSubscription(t, int64(e2SubsId1), "RAN_NAME_1", []string{"localhost:13660"})
 
        // Delete subscription 2
@@ -4481,15 +5242,16 @@ func TestRESTSubReqAndSubDelOkSameActionWithRestartsInMiddle(t *testing.T) {
 //     |<----------------|              |
 //
 //-----------------------------------------------------------------------------
+
 func TestRESTReportSubReqAndSubDelOk(t *testing.T) {
        CaseBegin("TestRESTReportSubReqAndSubDelOk")
-       subReqCount := 1
+       const subReqCount int = 1
        testIndex := 1
        RESTReportSubReqAndSubDelOk(t, subReqCount, testIndex)
 }
 
 func RESTReportSubReqAndSubDelOk(t *testing.T, subReqCount int, testIndex int) {
-       xapp.Logger.Info("TEST: TestRESTReportSubReqAndSubDelOk with testIndex %v", testIndex)
+       xapp.Logger.Debug("TEST: TestRESTReportSubReqAndSubDelOk with testIndex %v", testIndex)
 
        // Req
        params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
@@ -4502,7 +5264,7 @@ func RESTReportSubReqAndSubDelOk(t *testing.T, subReqCount int, testIndex int) {
 
                e2termConn1.SendSubsResp(t, crereq, cremsg)
                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)
                e2SubsId = append(e2SubsId, instanceId)
                resp, _ := xapp.Subscription.QuerySubscriptions()
                assert.Equal(t, resp[i].SubscriptionID, (int64)(instanceId))
@@ -4543,13 +5305,11 @@ func TestRESTPolicySubReqAndSubDelOk(t *testing.T) {
 }
 */
 func RESTPolicySubReqAndSubDelOk(t *testing.T, subReqCount int, testIndex int) {
-       xapp.Logger.Info("TEST: TestRESTPolicySubReqAndSubDelOk with testIndex %v", testIndex)
+       xapp.Logger.Debug("TEST: TestRESTPolicySubReqAndSubDelOk with testIndex %v", testIndex)
 
        // Req
        params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
        restSubId := xappConn1.SendRESTSubsReq(t, params)
-       //params := xappConn1.GetRESTSubsReqPolicyParams1(subReqCount)
-       //restSubId := xappConn1.SendRESTPolicySubsReq(t, params)
 
        var e2SubsId []uint32
        for i := 0; i < subReqCount; i++ {
@@ -4557,7 +5317,7 @@ func RESTPolicySubReqAndSubDelOk(t *testing.T, subReqCount int, testIndex int) {
                xappConn1.ExpectRESTNotification(t, restSubId)
                e2termConn1.SendSubsResp(t, crereq, cremsg)
                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)
                e2SubsId = append(e2SubsId, instanceId)
        }
 
@@ -4580,8 +5340,6 @@ func RESTPolicySubReqAndSubDelOk(t *testing.T, subReqCount int, testIndex int) {
 
 func TestRESTTwoPolicySubReqAndSubDelOk(t *testing.T) {
 
-       subReqCount := 2
-
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
                Counter{cRestSubReqFromXapp, 1},
                Counter{cRestSubRespToXapp, 1},
@@ -4594,6 +5352,8 @@ func TestRESTTwoPolicySubReqAndSubDelOk(t *testing.T) {
                Counter{cRestSubDelRespToXapp, 1},
        })
 
+       const subReqCount int = 2
+
        // Req
        params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
        restSubId := xappConn1.SendRESTSubsReq(t, params)
@@ -4613,8 +5373,6 @@ func TestRESTTwoPolicySubReqAndSubDelOk(t *testing.T) {
 }
 func TestRESTPolicySubReqAndSubDelOkFullAmount(t *testing.T) {
 
-       subReqCount := 19
-
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
                Counter{cRestSubReqFromXapp, 1},
                Counter{cRestSubRespToXapp, 1},
@@ -4627,6 +5385,7 @@ func TestRESTPolicySubReqAndSubDelOkFullAmount(t *testing.T) {
                Counter{cRestSubDelRespToXapp, 1},
        })
 
+       const subReqCount int = 19
        // Req
        params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
        restSubId := xappConn1.SendRESTSubsReq(t, params)
@@ -4643,6 +5402,7 @@ func TestRESTPolicySubReqAndSubDelOkFullAmount(t *testing.T) {
 
        mainCtrl.VerifyCounterValues(t)
 }
+
 func TestRESTTwoReportSubReqAndSubDelOk(t *testing.T) {
 
        subReqCount := 2
@@ -4765,18 +5525,18 @@ func TestRESTSubReqReportSameActionDiffEventTriggerDefinitionLen(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)
        params.SetMeid("RAN_NAME_1")
-       eventTriggerDefinition := "1234"
+       eventTriggerDefinition := []int64{1234, 1}
        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)
@@ -4812,7 +5572,7 @@ func TestRESTSubReqReportSameActionDiffActionListLen(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"})
 
@@ -4822,13 +5582,13 @@ func TestRESTSubReqReportSameActionDiffActionListLen(t *testing.T) {
 
        actionId := int64(1)
        actionType := "report"
-       actionDefinition := "56781"
+       actionDefinition := []int64{5678, 1}
        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)
@@ -4864,7 +5624,7 @@ 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"})
 
@@ -4874,7 +5634,7 @@ func TestRESTSubReqReportSameActionDiffActionID(t *testing.T) {
        params.SetSubActionIDs(int64(2))
 
        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)
@@ -4905,21 +5665,27 @@ func TestRESTSubReqDiffActionType(t *testing.T) {
                Counter{cRestSubDelRespToXapp, 2},
        })
 
+       const e2Timeout int64 = 2
+       const e2RetryCount int64 = 2
+       const routingNeeded bool = true
+
        // Req1
        params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
 
        //Subs Create
        restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
-       xapp.Logger.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)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
        params.SetMeid("RAN_NAME_1")
 
        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)
@@ -4950,21 +5716,27 @@ func TestRESTSubReqPolicyAndSubDelOkSameAction(t *testing.T) {
                Counter{cRestSubDelRespToXapp, 2},
        })
 
+       const e2Timeout int64 = 2
+       const e2RetryCount int64 = 2
+       const routingNeeded bool = true
+
        // Req1
        params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
 
        //Subs Create
        restSubId1, e2SubsId1 := createSubscription(t, xappConn1, e2termConn1, params)
-       xapp.Logger.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)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
        params.SetMeid("RAN_NAME_1")
 
        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)
@@ -5000,18 +5772,18 @@ func TestRESTSubReqReportSameActionDiffActionDefinitionLen(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)
        params.SetMeid("RAN_NAME_1")
-       actionDefinition := "5678"
+       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)
@@ -5047,18 +5819,18 @@ func TestRESTSubReqReportSameActionDiffActionDefinitionContents(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)
        params.SetMeid("RAN_NAME_1")
-       actionDefinition := "56782"
+       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)
@@ -5094,7 +5866,7 @@ func TestRESTSubReqReportSameActionDiffSubsAction(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"})
 
@@ -5103,7 +5875,7 @@ func TestRESTSubReqReportSameActionDiffSubsAction(t *testing.T) {
        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)
@@ -5146,16 +5918,13 @@ func TestRESTSubReqReportSameActionDiffSubsAction(t *testing.T) {
 //     |                 |<-------------|
 //     | RESTNotif (fail)|              |
 //     |<----------------|              |
-//     |                 | SubDelReq    |
-//     |                 |------------->|
 //     |                 |              |
-//     |                 |   SubDelResp |
-//     |                 |<-------------|
 //
 //-----------------------------------------------------------------------------
+
 func TestRESTUnpackSubscriptionResponseDecodeFail(t *testing.T) {
-       xapp.Logger.Info("TEST: TestRESTUnpackSubscriptionResponseDecodeFail")
-       subReqCount := 1
+       xapp.Logger.Debug("TEST: TestRESTUnpackSubscriptionResponseDecodeFail")
+       const subReqCount int = 1
 
        // Req
        params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
@@ -5167,7 +5936,7 @@ func TestRESTUnpackSubscriptionResponseDecodeFail(t *testing.T) {
 
        _, cremsg = e2termConn1.RecvSubsReq(t)
 
-       xappConn1.ExpectRESTNotification(t, restSubId)
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
 
        // Subscription already created in E2 Node.
        fparams := &teststube2ap.E2StubSubsFailParams{}
@@ -5175,11 +5944,8 @@ 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)
 
        // Wait that subs is cleaned
        mainCtrl.wait_subs_clean(t, crereq.RequestId.InstanceId, 10)
@@ -5223,9 +5989,10 @@ func TestRESTUnpackSubscriptionResponseDecodeFail(t *testing.T) {
 //     |                 |<-------------|
 //
 //-----------------------------------------------------------------------------
+
 func TestRESTUnpackSubscriptionResponseUnknownInstanceId(t *testing.T) {
-       xapp.Logger.Info("TEST: TestRESTUnpackSubscriptionResponseUnknownInstanceId")
-       subReqCount := 1
+       xapp.Logger.Debug("TEST: TestRESTUnpackSubscriptionResponseUnknownInstanceId")
+       const subReqCount int = 1
 
        // Req
        params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
@@ -5240,7 +6007,7 @@ func TestRESTUnpackSubscriptionResponseUnknownInstanceId(t *testing.T) {
 
        _, cremsg = e2termConn1.RecvSubsReq(t)
 
-       xappConn1.ExpectRESTNotification(t, restSubId)
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
 
        // Subscription already created in E2 Node.
        fparams := &teststube2ap.E2StubSubsFailParams{}
@@ -5252,7 +6019,7 @@ 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)
 
        // Wait that subs is cleaned
        mainCtrl.wait_subs_clean(t, orgInstanceId, 10)
@@ -5303,8 +6070,8 @@ func TestRESTUnpackSubscriptionResponseUnknownInstanceId(t *testing.T) {
 //
 //-----------------------------------------------------------------------------
 func TestRESTUnpackSubscriptionResponseNoTransaction(t *testing.T) {
-       xapp.Logger.Info("TEST: TestRESTUnpackSubscriptionResponseNoTransaction")
-       subReqCount := 1
+       xapp.Logger.Debug("TEST: TestRESTUnpackSubscriptionResponseNoTransaction")
+       const subReqCount int = 1
 
        // Req
        params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
@@ -5318,7 +6085,7 @@ func TestRESTUnpackSubscriptionResponseNoTransaction(t *testing.T) {
 
        _, cremsg = e2termConn1.RecvSubsReq(t)
 
-       xappConn1.ExpectRESTNotification(t, restSubId)
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
 
        // Subscription already created in E2 Node.
        fparams := &teststube2ap.E2StubSubsFailParams{}
@@ -5334,7 +6101,7 @@ 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)
 
        // Wait that subs is cleaned
        mainCtrl.wait_subs_clean(t, crereq.RequestId.InstanceId, 10)
@@ -5372,16 +6139,12 @@ func TestRESTUnpackSubscriptionResponseNoTransaction(t *testing.T) {
 //     |                 |<-------------|
 //     | RESTNotif (fail)|              |
 //     |<----------------|              |
-//     |                 | SubDelReq    |
-//     |                 |------------->|
 //     |                 |              |
-//     |                 |   SubDelResp |
-//     |                 |<-------------|
 //
 //-----------------------------------------------------------------------------
 func TestRESTUnpackSubscriptionFailureDecodeFail(t *testing.T) {
-       xapp.Logger.Info("TEST: TestRESTUnpackSubscriptionFailureDecodeFail")
-       subReqCount := 1
+       xapp.Logger.Debug("TEST: TestRESTUnpackSubscriptionFailureDecodeFail")
+       const subReqCount int = 1
 
        // Req
        params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
@@ -5394,7 +6157,7 @@ func TestRESTUnpackSubscriptionFailureDecodeFail(t *testing.T) {
 
        _, cremsg = e2termConn1.RecvSubsReq(t)
 
-       xappConn1.ExpectRESTNotification(t, restSubId)
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
 
        // Subscription already created in E2 Node.
        fparams := &teststube2ap.E2StubSubsFailParams{}
@@ -5402,11 +6165,8 @@ func TestRESTUnpackSubscriptionFailureDecodeFail(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)
 
        // Wait that subs is cleaned
        mainCtrl.wait_subs_clean(t, crereq.RequestId.InstanceId, 10)
@@ -5451,8 +6211,8 @@ func TestRESTUnpackSubscriptionFailureDecodeFail(t *testing.T) {
 //
 //-----------------------------------------------------------------------------
 func TestRESTUnpackSubscriptionFailureUnknownInstanceId(t *testing.T) {
-       xapp.Logger.Info("TEST: TestRESTUnpackSubscriptionFailureUnknownInstanceId")
-       subReqCount := 1
+       xapp.Logger.Debug("TEST: TestRESTUnpackSubscriptionFailureUnknownInstanceId")
+       const subReqCount int = 1
 
        // Req
        params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
@@ -5468,7 +6228,7 @@ func TestRESTUnpackSubscriptionFailureUnknownInstanceId(t *testing.T) {
 
        _, cremsg = e2termConn1.RecvSubsReq(t)
 
-       xappConn1.ExpectRESTNotification(t, restSubId)
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
 
        // Subscription already created in E2 Node.
        fparams.SetCauseVal(0, 1, 3) // CauseRIC / duplicate-action
@@ -5478,7 +6238,7 @@ func TestRESTUnpackSubscriptionFailureUnknownInstanceId(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)
 
        // Wait that subs is cleaned
        mainCtrl.wait_subs_clean(t, crereq.RequestId.InstanceId, 10)
@@ -5523,8 +6283,8 @@ func TestRESTUnpackSubscriptionFailureUnknownInstanceId(t *testing.T) {
 //
 //-----------------------------------------------------------------------------
 func TestRESTUnpackSubscriptionFailureNoTransaction(t *testing.T) {
-       xapp.Logger.Info("TEST: TestRESTUnpackSubscriptionFailureNoTransaction")
-       subReqCount := 1
+       xapp.Logger.Debug("TEST: TestRESTUnpackSubscriptionFailureNoTransaction")
+       const subReqCount int = 1
 
        // Req
        params := xappConn1.GetRESTSubsReqReportParams(subReqCount)
@@ -5541,7 +6301,7 @@ func TestRESTUnpackSubscriptionFailureNoTransaction(t *testing.T) {
 
        _, cremsg = e2termConn1.RecvSubsReq(t)
 
-       xappConn1.ExpectRESTNotification(t, restSubId)
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
 
        // Subscription already created in E2 Node.
        fparams.SetCauseVal(0, 1, 3) // CauseRIC / duplicate-action
@@ -5555,7 +6315,7 @@ func TestRESTUnpackSubscriptionFailureNoTransaction(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)
 
        // Wait that subs is cleaned
        mainCtrl.wait_subs_clean(t, crereq.RequestId.InstanceId, 10)
@@ -5597,7 +6357,7 @@ func TestRESTUnpackSubscriptionFailureNoTransaction(t *testing.T) {
 //
 //-----------------------------------------------------------------------------
 func TestRESTUnpackSubscriptionDeleteResponseDecodeFail(t *testing.T) {
-       xapp.Logger.Info("TEST: TestRESTUnpackSubscriptionDeleteResponseDecodeFail")
+       xapp.Logger.Debug("TEST: TestRESTUnpackSubscriptionDeleteResponseDecodeFail")
 
        // Req
        var params *teststube2ap.RESTSubsReqParams = nil
@@ -5657,7 +6417,7 @@ func TestRESTUnpackSubscriptionDeleteResponseDecodeFail(t *testing.T) {
 //
 //-----------------------------------------------------------------------------
 func TestRESTUnpackSubscriptionDeleteResponseUnknownInstanceId(t *testing.T) {
-       xapp.Logger.Info("TEST: TestRESTUnpackSubscriptionDeleteResponseUnknownInstanceId")
+       xapp.Logger.Debug("TEST: TestRESTUnpackSubscriptionDeleteResponseUnknownInstanceId")
 
        // Req
        var params *teststube2ap.RESTSubsReqParams = nil
@@ -5718,7 +6478,7 @@ func TestRESTUnpackSubscriptionDeleteResponseUnknownInstanceId(t *testing.T) {
 //
 //-----------------------------------------------------------------------------
 func TestRESTUnpackSubscriptionDeleteResponseNoTransaction(t *testing.T) {
-       xapp.Logger.Info("TEST: TestRESTUnpackSubscriptionDeleteResponseNoTransaction")
+       xapp.Logger.Debug("TEST: TestRESTUnpackSubscriptionDeleteResponseNoTransaction")
 
        // Req
        var params *teststube2ap.RESTSubsReqParams = nil
@@ -5780,7 +6540,7 @@ func TestRESTUnpackSubscriptionDeleteResponseNoTransaction(t *testing.T) {
 //
 //-----------------------------------------------------------------------------
 func TestRESTUnpackSubscriptionDeleteFailureDecodeFail(t *testing.T) {
-       xapp.Logger.Info("TEST: TestRESTUnpackSubscriptionDeleteFailureDecodeFail")
+       xapp.Logger.Debug("TEST: TestRESTUnpackSubscriptionDeleteFailureDecodeFail")
 
        // Req
        var params *teststube2ap.RESTSubsReqParams = nil
@@ -5840,7 +6600,7 @@ func TestRESTUnpackSubscriptionDeleteFailureDecodeFail(t *testing.T) {
 //
 //-----------------------------------------------------------------------------
 func TestRESTUnpackSubscriptionDeleteailureUnknownInstanceId(t *testing.T) {
-       xapp.Logger.Info("TEST: TestRESTUnpackSubscriptionDeleteailureUnknownInstanceId")
+       xapp.Logger.Debug("TEST: TestRESTUnpackSubscriptionDeleteailureUnknownInstanceId")
 
        // Req
        var params *teststube2ap.RESTSubsReqParams = nil
@@ -5901,7 +6661,7 @@ func TestRESTUnpackSubscriptionDeleteailureUnknownInstanceId(t *testing.T) {
 //
 //-----------------------------------------------------------------------------
 func TestRESTUnpackSubscriptionDeleteFailureNoTransaction(t *testing.T) {
-       xapp.Logger.Info("TEST: TestRESTUnpackSubscriptionDeleteFailureNoTransaction")
+       xapp.Logger.Debug("TEST: TestRESTUnpackSubscriptionDeleteFailureNoTransaction")
 
        // Req
        var params *teststube2ap.RESTSubsReqParams = nil
@@ -5967,12 +6727,10 @@ func TestRESTSubReqFailAsn1PackSubReqError(t *testing.T) {
        mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
                Counter{cRestSubReqFromXapp, 1},
                Counter{cRestSubRespToXapp, 1},
-               Counter{cSubDelReqToE2, 1},
-               Counter{cSubDelFailFromE2, 1},
                Counter{cRestSubFailNotifToXapp, 1},
        })
 
-       subReqCount := 1
+       const subReqCount int = 1
 
        var params *teststube2ap.RESTSubsReqParams = nil
        params = xappConn1.GetRESTSubsReqReportParams(subReqCount)
@@ -5980,17 +6738,13 @@ func TestRESTSubReqFailAsn1PackSubReqError(t *testing.T) {
 
        // Req
        restSubId := xappConn1.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)
 
        // E2t: Receive SubsDelReq
-       delreq, delmsg := e2termConn1.RecvSubsDelReq(t)
-       xappConn1.ExpectRESTNotification(t, restSubId)
-
-       // Subscription does not exist in in E2 Node.
-       e2termConn1.SendSubsDelFail(t, delreq, delmsg)
+       xappConn1.ExpectRESTNotificationNok(t, restSubId, "allFail")
 
        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)
 
        e2ap_wrapper.AllowE2apToProcess(e2ap_wrapper.SUB_REQ, true)
        // Wait that subs is cleaned
@@ -5998,6 +6752,183 @@ func TestRESTSubReqFailAsn1PackSubReqError(t *testing.T) {
        mainCtrl.VerifyCounterValues(t)
 }
 
+func TestRESTSubReqPolicyUpdateTimeoutAndSubDelOkSameAction(t *testing.T) {
+       CaseBegin("TestRESTSubReqPolicyUpdateTimeoutAndSubDelOkSameAction")
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
+               Counter{cSubReqToE2, 2},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubFailNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cSubDelRespFromE2, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       const e2Timeout int64 = 1
+       const e2RetryCount int64 = 0
+       const routingNeeded bool = false
+
+       // Req1
+       params := xappConn1.GetRESTSubsReqPolicyParams(subReqCount)
+       params.SetSubscriptionDirectives(e2Timeout, e2RetryCount, routingNeeded)
+
+       // Subs Create
+       restSubId := xappConn1.SendRESTSubsReq(t, params)
+       xapp.Logger.Debug("Send REST subscribe request for subscriberId : %v", restSubId)
+
+       crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
+       xappConn1.ExpectRESTNotification(t, restSubId)
+       e2termConn1.SendSubsResp(t, crereq1, cremsg1)
+       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
+       xapp.Logger.Debug("REST notification received e2SubsId=%v", e2SubsId)
+
+       // 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)
+
+       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.VerifyCounterValues(t)
+}
+
+//-----------------------------------------------------------------------------
+// TestPolicyUpdateRESTSubReqAndSubDelOkWithRestartInMiddle
+//
+//   stub                             stub
+// +-------+        +---------+    +---------+
+// | xapp  |        | submgr  |    | e2term  |
+// +-------+        +---------+    +---------+
+//     |                 |              |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |      SubResp |
+//     |                 |<-------------|
+//     |                 |              |
+//     |       RESTNotif |              |
+//     |<----------------|              |
+//     |                 |              |
+//     | RESTSubReq      |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |     RESTSubResp |              |
+//     |<----------------|              |
+//     |                 | SubReq       |
+//     |                 |------------->|
+//     |                                |
+//     |           Submgr restart       |
+//     |                 |              |
+//     | RESTSubDelReq   |              |
+//     |---------------->|              |
+//     |                 |              |
+//     |                 | SubDelReq    |
+//     |                 |------------->|
+//     |                 |              |
+//     |                 |   SubDelResp |
+//     |                 |<-------------|
+//     |                 |              |
+//     |  RESTSubDelResp |              |
+//     |<----------------|              |
+//
+//-----------------------------------------------------------------------------
+
+func TestPolicyUpdateRESTSubReqAndSubDelOkWithRestartInMiddle(t *testing.T) {
+       CaseBegin("TestPolicyUpdateRESTSubReqAndSubDelOkWithRestartInMiddle")
+
+       mainCtrl.CounterValuesToBeVeriefied(t, CountersToBeAdded{
+               Counter{cRestSubReqFromXapp, 2},
+               Counter{cRestSubRespToXapp, 2},
+               Counter{cSubReqToE2, 2},
+               Counter{cSubRespFromE2, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubNotifToXapp, 1},
+               Counter{cRestSubDelReqFromXapp, 1},
+               Counter{cSubDelReqToE2, 1},
+               Counter{cRestSubDelRespToXapp, 1},
+       })
+
+       // Remove possible existing subscription
+       mainCtrl.removeExistingSubscriptions(t)
+
+       const e2Timeout int64 = 1
+       const e2RetryCount int64 = 0
+       const routingNeeded bool = false
+
+       // 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)
+
+       crereq1, cremsg1 := e2termConn1.RecvSubsReq(t)
+       xappConn1.ExpectRESTNotification(t, restSubId)
+       e2termConn1.SendSubsResp(t, crereq1, cremsg1)
+       e2SubsId := xappConn1.WaitRESTNotification(t, restSubId)
+       xapp.Logger.Debug("REST notification received e2SubsId=%v", e2SubsId)
+
+       // Check subscription
+       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
+
+       // 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)
+
+       crereq1, cremsg1 = e2termConn1.RecvSubsReq(t)
+       mainCtrl.SetResetTestFlag(t, false)
+
+       // SubsResp is missing due to submgr restart
+
+       mainCtrl.SimulateRestart(t)
+       xapp.Logger.Debug("mainCtrl.SimulateRestart done")
+
+       // Check subscription
+       queryXappSubscription(t, int64(e2SubsId), "RAN_NAME_1", []string{"localhost:13560"})
+
+       xapp.Logger.Debug("Here 1")
+       //<-time.After(3 * time.Second)
+       xapp.Logger.Debug("Here 2")
+
+       // 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)
+}
+
 ////////////////////////////////////////////////////////////////////////////////////
 //   Services for UT cases
 ////////////////////////////////////////////////////////////////////////////////////
@@ -6009,13 +6940,13 @@ func createSubscription(t *testing.T, fromXappConn *teststube2ap.E2Stub, toE2ter
                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
 }
@@ -6029,23 +6960,24 @@ func createXapp2MergedSubscription(t *testing.T, meid string) (string, uint32) {
        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)
        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
 }
@@ -6063,7 +6995,7 @@ 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
 }
@@ -6108,14 +7040,14 @@ 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
@@ -6124,11 +7056,11 @@ 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)
        }