};
  private static final Callable<String> BAD_CALLABLE =
      new Callable<String>() {
        @Override
        public String call() throws InterruptedException, SampleException {
          MILLISECONDS.sleep(DELAY_MS);
          throw new SampleException();
        }
      };
  private static final Runnable GOOD_RUNNABLE =
      new Runnable() {
        @Override
        public void run() {
          try {