added Host-related unit tests

Change-Id: Ia3c0610f5bdd91ddd554dd477af7ad3640a6cef3
diff --git a/utils/misc/src/main/java/org/onlab/packet/VLANID.java b/utils/misc/src/main/java/org/onlab/packet/VLANID.java
index 31cdecb..5b26d04 100644
--- a/utils/misc/src/main/java/org/onlab/packet/VLANID.java
+++ b/utils/misc/src/main/java/org/onlab/packet/VLANID.java
@@ -37,12 +37,12 @@
         }
 
         if (obj instanceof VLANID) {
-            return true;
-        }
 
-        VLANID other = (VLANID) obj;
-        if (this.value == other.value) {
-            return true;
+            VLANID other = (VLANID) obj;
+
+             if (this.value == other.value) {
+                return true;
+            }
         }
 
         return false;