InstanceSpec spec = new InstanceSpec(null, -1, -1, -1, true, -1, 2000, 10);
        System.setProperty("zookeeper.serverCnxnFactory", "org.apache.zookeeper.server.NettyServerCnxnFactory");
        myKeeper = new TestingServer(spec);
        String keeperPort = String.valueOf(spec.getPort());
        System.setProperty("zk.servers", "localhost:" + keeperPort);
        zkClient = CuratorFrameworkFactory.builder()
                .sessionTimeoutMs(60000)
                .connectionTimeoutMs(10000)
                .connectString("localhost:" + keeperPort)
                .retryPolicy(new RetryOneTime(1000))
                .defaultData(null)
                .build();
        zkClient.start();