Add unit test and a JSON matcher for openstacknode codec

Change-Id: Ida4d5b7bedbf45df0c8580a4d50d7d725e8c7650
diff --git a/apps/openstacknode/app/src/test/resources/org/onosproject/openstacknode/codec/OpenstackNode.json b/apps/openstacknode/app/src/test/resources/org/onosproject/openstacknode/codec/OpenstackNode.json
new file mode 100644
index 0000000..dfa07e3
--- /dev/null
+++ b/apps/openstacknode/app/src/test/resources/org/onosproject/openstacknode/codec/OpenstackNode.json
@@ -0,0 +1,8 @@
+{
+  "hostname" : "compute-01",
+  "type" : "COMPUTE",
+  "managementIp" : "172.16.130.4",
+  "dataIp" : "172.16.130.4",
+  "vlanPort" : "eth2",
+  "integrationBridge" : "of:00000000000000a1"
+}
\ No newline at end of file