Enable checkstyle rule to verify method names

Enabled checkstyle rule "MethodName" which checks
if method names adhere to a naming convention and
fixed the violations it found.

Change-Id: I87448a1fa857e78f33c42090d485bf21a8986ba7
diff --git a/src/test/java/net/onrc/onos/core/datastore/hazelcast/HZTableTest.java b/src/test/java/net/onrc/onos/core/datastore/hazelcast/HZTableTest.java
index 39e7e9f..913012d 100644
--- a/src/test/java/net/onrc/onos/core/datastore/hazelcast/HZTableTest.java
+++ b/src/test/java/net/onrc/onos/core/datastore/hazelcast/HZTableTest.java
@@ -93,7 +93,7 @@
 
     @Test
     public void testVERSION_NONEXISTENT() {
-        assertEquals(HZClient.VERSION_NONEXISTENT, table.VERSION_NONEXISTENT());
+        assertEquals(HZClient.VERSION_NONEXISTENT, table.getVersionNonexistant());
     }
 
     @Test