fixed minor checkstyle build error 

Change-Id: Ic09ff32131d6a692e28856c6576fead87a55bce8
diff --git a/core/store/primitives/src/test/java/org/onosproject/store/primitives/resources/impl/AsyncConsistentSetMultimapTest.java b/core/store/primitives/src/test/java/org/onosproject/store/primitives/resources/impl/AsyncConsistentSetMultimapTest.java
index f92b51f..7c1c539 100644
--- a/core/store/primitives/src/test/java/org/onosproject/store/primitives/resources/impl/AsyncConsistentSetMultimapTest.java
+++ b/core/store/primitives/src/test/java/org/onosproject/store/primitives/resources/impl/AsyncConsistentSetMultimapTest.java
@@ -323,7 +323,7 @@
 
     /**
      * Tests the get, keySet, keys, values, and entries implementations as well
-     * as a trivial test of the asMap functionality (throws error)
+     * as a trivial test of the asMap functionality (throws error).
      * @throws Exception
      */
     @Ignore