YANG uses and UT

Change-Id: Id3ec5cfed2b8e2a7d2d580786c70b5804f03ecfa
diff --git a/utils/yangutils/src/test/resources/SelfResolutionWhenUsesAndGroupingAtRootLevelGroupingWithChild.yang b/utils/yangutils/src/test/resources/SelfResolutionWhenUsesAndGroupingAtRootLevelGroupingWithChild.yang
new file mode 100644
index 0000000..f4f12b0
--- /dev/null
+++ b/utils/yangutils/src/test/resources/SelfResolutionWhenUsesAndGroupingAtRootLevelGroupingWithChild.yang
@@ -0,0 +1,16 @@
+module Test {
+    yang-version 1;
+    namespace http://huawei.com;
+    prefix Ant;
+    uses treat;
+    grouping treat {
+	leaf treat{
+            type String;
+        }
+        container test{
+            leaf leaf2{
+                type String;
+            }
+        }
+    }
+}