[ONOS-3892,3895,3882,3883,3896]Unit test of yang container, list, leaf, leaf-list parser

Change-Id: Iae040d9d354e012584db8adc0aa7ff1ea4c099a0
diff --git a/utils/yangutils/src/test/resources/ModuleSubStatementReference.yang b/utils/yangutils/src/test/resources/ModuleSubStatementReference.yang
new file mode 100644
index 0000000..20b2fb6
--- /dev/null
+++ b/utils/yangutils/src/test/resources/ModuleSubStatementReference.yang
@@ -0,0 +1,6 @@
+module Test {
+    yang-version 1;
+    namespace http://huawei.com;
+    prefix Ant;
+    reference "RFC 6020";
+}
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