[ONOS-5962]YANG Runtime: ModelConverter's createModel implementation

Change-Id: I8377ad86d0b0b60f96c4d8d40517cede66c5fc27
diff --git a/runtime/src/test/resources/yobTestYangFiles/ip-topology.yang b/runtime/src/test/resources/yobTestYangFiles/ip-topology.yang
new file mode 100644
index 0000000..cb56c41
--- /dev/null
+++ b/runtime/src/test/resources/yobTestYangFiles/ip-topology.yang
@@ -0,0 +1,28 @@
+module yms-ip-topology {
+    yang-version 1;
+    namespace urn:ip:topo;
+    prefix ip-topo;
+    import yms-topology {
+       prefix topo;
+       revision-date "2014-01-01";
+    }
+    revision 2014-01-01 {
+        description "desc";
+        reference "ref";
+    }
+
+    augment /topo:node{
+        leaf router-id {
+            type string;
+        }
+        leaf router-ip {
+            type string;
+        }
+    }
+
+    augment /topo:node/topo:termination-points/topo:termination-point {
+        leaf ip-address {
+            type string;
+        }
+    }
+}