[ONOS-4616] grouping linker issues fixed and other defect fixed.

Change-Id: I1b23f9ed0293edbc2d551efe82982559eb916ede
diff --git a/utils/yangutils/src/test/resources/ShortCaseListenerWithContainer.yang b/utils/yangutils/src/test/resources/ShortCaseListenerWithContainer.yang
index 166eeb0..3322a66 100644
--- a/utils/yangutils/src/test/resources/ShortCaseListenerWithContainer.yang
+++ b/utils/yangutils/src/test/resources/ShortCaseListenerWithContainer.yang
@@ -2,12 +2,11 @@
     yang-version 1;
     namespace http://huawei.com;
     prefix Ant;
-        container food {
-            choice snack {
-                container sports-arena {
-                    leaf pretzel {
-                        type empty;
-                    }
+    container food {
+        choice snack {
+            container sports-arena {
+                leaf pretzel {
+                    type empty;
                 }
             }
         }