private static String getPipelineJson() throws Exception {
   URI uri = Resources.getResource("kafka_destination_pipeline_operations.json").toURI();
   String pipelineJson = new String(Files.readAllBytes(Paths.get(uri)), StandardCharsets.UTF_8);
   pipelineJson = pipelineJson.replace("topicName", TOPIC);
   pipelineJson = pipelineJson.replaceAll("localhost:9092", KafkaTestUtil.getMetadataBrokerURI());
   pipelineJson =
       pipelineJson.replaceAll("localhost:2181", KafkaTestUtil.getZkServer().connectString());
   return pipelineJson;
 }
 @Before
 @Override
 public void setUp() throws Exception {
   super.setUp();
   KafkaTestUtil.startZookeeper();
   KafkaTestUtil.startKafkaBrokers(3);
   KafkaTestUtil.createTopic(TOPIC, 3, 2);
   kafkaStreams =
       KafkaTestUtil.createKafkaStream(KafkaTestUtil.getZkServer().connectString(), TOPIC, 3);
 }