YANG uses and UT

Change-Id: Id3ec5cfed2b8e2a7d2d580786c70b5804f03ecfa
diff --git a/utils/yangutils/src/test/resources/SelfResolutionWhenUsesAndGroupingAtRootLevel.yang b/utils/yangutils/src/test/resources/SelfResolutionWhenUsesAndGroupingAtRootLevel.yang
new file mode 100644
index 0000000..52641d8
--- /dev/null
+++ b/utils/yangutils/src/test/resources/SelfResolutionWhenUsesAndGroupingAtRootLevel.yang
@@ -0,0 +1,11 @@
+module Test {
+    yang-version 1;
+    namespace http://huawei.com;
+    prefix Ant;
+    uses hello;
+    grouping hello {
+	leaf hello{
+            type String;
+        }
+    }
+}