MockNM amNodeManager = rm.registerNode("127.0.0.1:1234", 2048);
RMApp app1 = rm.submitApp(1024);
amNodeManager.nodeHeartbeat(true);
WebResource r = resource();
ClientResponse response = r.path("ws").path("v1").path("cluster")
.path("apps").queryParam("finalStatus", FinalApplicationStatus.UNDEFINED.toString())
.accept(MediaType.APPLICATION_JSON).get(ClientResponse.class);
assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType());
JSONObject json = response.getEntity(JSONObject.class);
assertEquals("incorrect number of elements", 1, json.length());