[ONOS-4829] Augmented data method generator implmentation.

Change-Id: I0cb68dd10a748e5b66eec0b832574f408a23ba5c
diff --git a/utils/yangutils/plugin/src/test/resources/interfileietf/ietf-te-topology.yang b/utils/yangutils/plugin/src/test/resources/interfileietf/ietf-te-topology.yang
index 106b2aa..10b6c11 100644
--- a/utils/yangutils/plugin/src/test/resources/interfileietf/ietf-te-topology.yang
+++ b/utils/yangutils/plugin/src/test/resources/interfileietf/ietf-te-topology.yang
@@ -1723,9 +1723,9 @@
        uses tet:te-link-state-derived;
      }
 
-     /*
+     
      augment "/te-link-event/te-link-attributes/underlay" {
        description "Add state attributes to te-link underlay.";
        uses te-link-state-underlay-attributes;
-     } */
+     }
    }