@Test
public void test() throws IOException, InterruptedException, TimeoutException {

  Timing requestTime = SntpClient.requestTimeHA(60000, "time.apple.com");
  long currentTimeMachine = System.currentTimeMillis();
  long currentTimeNtp = requestTime.getTime();
  LOG.debug("Current time machine = {} ", Instant.ofEpochMilli(currentTimeMachine));
  LOG.debug("Current time ntp = {} ", Instant.ofEpochMilli(currentTimeNtp));
  Assert.assertTrue(Math.abs(currentTimeNtp - currentTimeMachine) < 10000);
}