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

Change-Id: I0f828adb5884c2d7b6e4120f9843c416608ae5e7
diff --git a/utils/yangutils/src/test/resources/CaseChoiceHierarchy.yang b/utils/yangutils/src/test/resources/CaseChoiceHierarchy.yang
index 16b4047..28d110e 100644
--- a/utils/yangutils/src/test/resources/CaseChoiceHierarchy.yang
+++ b/utils/yangutils/src/test/resources/CaseChoiceHierarchy.yang
@@ -2,22 +2,22 @@
     yang-version 1;
     namespace http://huawei.com;
     prefix Ant;
-     container food {
-       choice snack {
-           case sports-arena {
-               leaf pretzel {
-                   type empty;
-               }
-           }
-           case late-night {
-               choice dinner {
-                  case late-night {
-                   leaf beer {
-                       type empty;
-                   }
-               }
-           }
-       }
+    container food {
+        choice snack {
+            case sports-arena {
+                leaf pretzel {
+                    type empty;
+                }
+            }
+            case late-night {
+                choice dinner {
+                    case late-night {
+                        leaf beer {
+                            type empty;
+                        }
+                    }
+                }
+            }
+        }
     }
-  }
 }