[SEBA-897] Unit Test cases for SEBA-34

Change-Id: Ib7d691ebc02a842d81cc7c72ed153cb06dccab57
diff --git a/app/src/main/java/org/opencord/aaa/impl/AaaManager.java b/app/src/main/java/org/opencord/aaa/impl/AaaManager.java
index e3f5822..43d8021 100644
--- a/app/src/main/java/org/opencord/aaa/impl/AaaManager.java
+++ b/app/src/main/java/org/opencord/aaa/impl/AaaManager.java
@@ -1084,6 +1084,7 @@
             aaaSupplicantStatsManager.getMachineStatsDelegate()
                    .notify(new AaaMachineStatisticsEvent(AaaMachineStatisticsEvent.Type.STATS_UPDATE, obj));
             StateMachine removed = stateMachines.remove(sessionId);
+
             if (removed != null) {
                 StateMachine.deleteStateMachineMapping(removed);
             }