Default ConsistentMap consistency level to SEQUENTIAL and reenable all Atomix unit tests

Change-Id: Ic04ff81fbaaa7c007f20077391a72fdfa9fd382a
diff --git a/core/store/primitives/src/main/java/org/onosproject/store/primitives/resources/impl/AtomixConsistentMapState.java b/core/store/primitives/src/main/java/org/onosproject/store/primitives/resources/impl/AtomixConsistentMapState.java
index a6e6ca0..6395f69 100644
--- a/core/store/primitives/src/main/java/org/onosproject/store/primitives/resources/impl/AtomixConsistentMapState.java
+++ b/core/store/primitives/src/main/java/org/onosproject/store/primitives/resources/impl/AtomixConsistentMapState.java
@@ -337,10 +337,9 @@
      *
      * @param commit unlisten commit
      */
-    protected void unlisten(
-            Commit<? extends Unlisten> commit) {
+    protected void unlisten(Commit<? extends Unlisten> commit) {
         try {
-            Commit<? extends Listen> listener = listeners.remove(commit.session());
+            Commit<? extends Listen> listener = listeners.remove(commit.session().id());
             if (listener != null) {
                 listener.close();
             }