More Unit tests

Change-Id: I32dd3851e490979621c4a5205c6e041dee900244
diff --git a/core/store/dist/src/main/java/org/onosproject/store/ecmap/MapValue.java b/core/store/dist/src/main/java/org/onosproject/store/ecmap/MapValue.java
index 1a89c6b..bb69b47 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/ecmap/MapValue.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/ecmap/MapValue.java
@@ -83,10 +83,11 @@
         return Objects.hashCode(timestamp, value);
     }
 
+    @SuppressWarnings("unchecked")
     @Override
     public boolean equals(Object other) {
         if (other instanceof MapValue) {
-            MapValue<V> that = (MapValue) other;
+            MapValue<V> that = (MapValue<V>) other;
             return Objects.equal(this.timestamp, that.timestamp) &&
                     Objects.equal(this.value, that.value);
         }