[ONOS-5076] YANG data tree Builder

Change-Id: I25160b651c26e614d29d7fad85e63f77a262d77c
diff --git a/apps/yms/app/src/test/resources/ydtTestYangFiles/emptydata.yang b/apps/yms/app/src/test/resources/ydtTestYangFiles/emptydata.yang
new file mode 100644
index 0000000..33f58b3
--- /dev/null
+++ b/apps/yms/app/src/test/resources/ydtTestYangFiles/emptydata.yang
@@ -0,0 +1,23 @@
+module emptydata {
+
+    yang-version 1;
+
+    namespace "ydt.emptydata";
+
+    prefix "emptydata";
+
+    organization "ON-LAB";
+
+    description "This module defines for emptydata classifier.";
+
+    revision "2016-05-24" {
+        description "Initial revision.";
+    }
+
+    list emptyList {
+        config false;
+        leaf empty {
+              type empty;
+        }
+    }
+}
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