[ONOS-4352]Defect fix for unsupported types.

Change-Id: I5c1425518422492de8e108c54ea82f0c85812157
diff --git a/src/test/resources/LeafrefInvalidIdentifier.yang b/src/test/resources/LeafrefInvalidIdentifier.yang
new file mode 100644
index 0000000..4737b6c
--- /dev/null
+++ b/src/test/resources/LeafrefInvalidIdentifier.yang
@@ -0,0 +1,8 @@
+module Test {
+    yang-version 1;
+    namespace http://huawei.com;
+    prefix Ant;
+    leaf-list invalid-interval {
+        type leafref;
+    }
+}