[ONOS-3880, 3881] Yang Listener for Module and Sub-Module

Change-Id: Iee75c3e04af9b66ebc38acb3396aa4c54af5a268
diff --git a/utils/yangutils/src/test/resources/VersionInvalidSyntax.yang b/utils/yangutils/src/test/resources/VersionInvalidSyntax.yang
new file mode 100644
index 0000000..26cb0b2
--- /dev/null
+++ b/utils/yangutils/src/test/resources/VersionInvalidSyntax.yang
@@ -0,0 +1,5 @@
+module Test {
+namespace urn:ietf:params:xml:ns:yang:ietf-ospf;
+prefix On;
+yang-version ;
+}