Fixes in BDK test tools (#844)

* Fixes in BDK test tools

StreamService mock was created but not registered in BDK
Added a method to reset listeners

* Update SymphonyBdkTestMock.java

Author: symphony-enrico

symphony-bdk-test/symphony-bdk-test-jupiter/src/main/java/com/symphony/bdk/test/SymphonyBdkTestMock.java

@@ -47,6 +47,10 @@ public class SymphonyBdkTestMock {
   @Data
   private static class MockDatafeedLoop implements DatafeedLoop {
 
+    public MockDatafeedLoop() {
+      SymphonyBdkTestUtils.clearListeners();
+    }
+
     @Override
     public void start() {
     }

symphony-bdk-test/symphony-bdk-test-jupiter/src/main/java/com/symphony/bdk/test/SymphonyBdkTestUtils.java

@@ -50,6 +50,8 @@ public static void removeListener(RealTimeEventListener listener) {
     listeners.remove(listener);
   }
 
+  public static void clearListeners() { listeners.clear(); }
+
   public static void pushMessageToDF(V4User initiator, V4Stream stream, String message) {
     pushMessageToDF(initiator, stream, message, null);
   }

symphony-bdk-test/symphony-bdk-test-jupiter/src/main/java/com/symphony/bdk/test/junit/jupiter/BdkTestInitialisation.java

@@ -52,6 +52,7 @@ private void initOtherMocks(SymphonyBdk symphonyBdk) {
     when(symphonyBdk.users()).thenReturn(bdkTestMock.getUserService());
     when(symphonyBdk.signals()).thenReturn(bdkTestMock.getSignalService());
     when(symphonyBdk.presences()).thenReturn(bdkTestMock.getPresenceService());
+    when(symphonyBdk.streams()).thenReturn(bdkTestMock.getStreamService());
   }
 
   private void initSessionServiceMock(SymphonyBdk symphonyBdk, UserV2 botUser) {