YANG: Junit testcases for restricions resolution

Change-Id: I35b8a579f924af50a5e2192bdac36dc94784198e
diff --git a/utils/yangutils/src/test/resources/RangeRestrictionInString.yang b/utils/yangutils/src/test/resources/RangeRestrictionInString.yang
new file mode 100644
index 0000000..f167230
--- /dev/null
+++ b/utils/yangutils/src/test/resources/RangeRestrictionInString.yang
@@ -0,0 +1,13 @@
+module Test {
+    yang-version 1;
+    namespace http://huawei.com;
+    prefix Ant;
+    leaf invalid-interval {
+        type hello;
+    }
+    typedef hello {
+        type string {
+            range "1..4 | 10..20";
+        }
+    }
+}