@Test
public void inspectRoad_does_nothing_when_topic_exists_and_is_correct() throws Exception {

  KafkaRoad model = new KafkaRoad("test_road", "road.test_road", RoadType.NORMAL,
      new TrafficControlStatus(true, 12, 3, ""), null, false);
  given(kafkaAdminClient.topicExists("road.test_road")).willReturn(true);
  given(kafkaAdminClient.topicDetails("road.test_road")).willReturn(new KafkaTopicDetails(RoadType.NORMAL, 12, 3));
  List<PatchOperation> operations = trafficControl.inspectModel("test_road", model);
  assertTrue(operations.isEmpty());
}