[ONOS-5003][ONOS-5004][ONOS-5005]Generated Code modification for YangUtils+added interface for augmentation method and other api changes.

Change-Id: I954b9c99e182f21d01fcc5cd76fbac7d61a6c3aa
diff --git a/plugin/src/test/resources/xPathLinker/Case/uses/test2.yang b/plugin/src/test/resources/xPathLinker/Case/uses/test2.yang
index fedb0aa..e42101e 100644
--- a/plugin/src/test/resources/xPathLinker/Case/uses/test2.yang
+++ b/plugin/src/test/resources/xPathLinker/Case/uses/test2.yang
@@ -3,8 +3,8 @@
          prefix test;
     }
 
+    include test3;
     include test1;
-    include test4;
 
     organization "";  
     contact "";  
@@ -52,5 +52,13 @@
           
        }
     }
+
+     augment /group1/cont3/cont4 {
+        container cont8 {
+          leaf leaf8 {
+             type int32;
+          }
+       }
+    }
 }