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

Change-Id: Iee75c3e04af9b66ebc38acb3396aa4c54af5a268
diff --git a/utils/yangutils/src/test/resources/ContactValidEntry.yang b/utils/yangutils/src/test/resources/ContactValidEntry.yang
new file mode 100644
index 0000000..f88e147
--- /dev/null
+++ b/utils/yangutils/src/test/resources/ContactValidEntry.yang
@@ -0,0 +1,9 @@
+module Test {
+yang-version 1;
+namespace urn:ietf:params:xml:ns:yang:ietf-ospf;
+prefix On;
+organization "IETF SPRING Working Group";
+contact "WG List:  <mailto:spring@ietf.org>
+Editor:    Stephane Litkowski
+           <mailto:stephane.litkowski@orange.com>";
+}