protected final CountDownLatch listenerLatch = new CountDownLatch(1);

  protected volatile boolean throwException = false;

  protected final ListenableFutureTask<Integer> task =
      ListenableFutureTask.create(
          new Callable<Integer>() {
            @Override
            public Integer call() throws Exception {
              runLatch.countDown();
              taskLatch.await();

  protected final CountDownLatch listenerLatch = new CountDownLatch(1);

  protected volatile boolean throwException = false;

  protected final ListenableFutureTask<Integer> task =
      ListenableFutureTask.create(
          new Callable<Integer>() {
            @Override
            public Integer call() throws Exception {
              runLatch.countDown();
              taskLatch.await();