[ONOS-3894, 4071] YANG Advanced Construct Union & Grouping

Change-Id: I0f828adb5884c2d7b6e4120f9843c416608ae5e7
diff --git a/utils/yangutils/src/test/resources/ConfigFalseParentContainerChildList.yang b/utils/yangutils/src/test/resources/ConfigFalseParentContainerChildList.yang
index 78fbe15..ffc6f60 100644
--- a/utils/yangutils/src/test/resources/ConfigFalseParentContainerChildList.yang
+++ b/utils/yangutils/src/test/resources/ConfigFalseParentContainerChildList.yang
@@ -4,7 +4,7 @@
     prefix Ant;
     container valid {
         config false;
-    	list valid {
+        list valid {
             key "invalid-interval";
             config true;
             leaf invalid-interval {