YANG sub module linking + unsupported yang construct + defect fix

Change-Id: I224c8c14ee2111f6844278cb540c48651544f59b
diff --git a/src/test/resources/AnyxmlStatement.yang b/src/test/resources/AnyxmlStatement.yang
new file mode 100644
index 0000000..4b1e421
--- /dev/null
+++ b/src/test/resources/AnyxmlStatement.yang
@@ -0,0 +1,16 @@
+module event {
+
+    namespace "http://example.com/event";
+    prefix "ev";
+
+    notification event {
+        leaf event-class {
+            type string;
+        }
+        anyxml reporting-entity;
+        leaf severity {
+            type string;
+        }
+    }
+}
+