awaitUninterruptibly(futureCancelled);
                          return closeable1;
                        })),
            closingExecutor);
    waiter.awaitStarted();
    cancelFinalStepAndWait(closingFuture);
    // not closed until the callable returns
    assertStillOpen(closeable1);
    waiter.awaitReturned();
    assertClosed(closeable1);
  }

                          awaitUninterruptibly(futureCancelled);
                          return closeable1;
                        })),
            closingExecutor);
    waiter.awaitStarted();
    cancelFinalStepAndWait(closingFuture);
    // not closed until the callable returns
    assertStillOpen(closeable1);
    waiter.awaitReturned();
    assertClosed(closeable1);
  }

  void waitUntilClosed(ClosingFuture<?> closingFuture) {
    if (valueAndCloser != null) {
      valueAndCloser.closeAsync();
    }
    super.waitUntilClosed(closingFuture);
  }

  @Override
  void cancelFinalStepAndWait(ClosingFuture<TestCloseable> closingFuture) {
    assertThat(closingFuture.cancel(false)).isTrue();
    ValueAndCloser<?> unused = finishToValueAndCloser(closingFuture);
    waitUntilClosed(closingFuture);

  }

  @Override
  void assertBecomesCanceled(ClosingFuture<?> closingFuture) throws ExecutionException {
    assertThatFutureBecomesCancelled(closingFuture.finishToFuture());
  }

  @Override
  void cancelFinalStepAndWait(ClosingFuture<TestCloseable> closingFuture) {
    assertThat(closingFuture.finishToFuture().cancel(false)).isTrue();
    waitUntilClosed(closingFuture);
    futureCancelled.countDown();
  }

  }

  @Override
  void assertBecomesCanceled(ClosingFuture<?> closingFuture) throws ExecutionException {
    assertThatFutureBecomesCancelled(closingFuture.finishToFuture());
  }

  @Override
  void cancelFinalStepAndWait(ClosingFuture<TestCloseable> closingFuture) {
    assertThat(closingFuture.finishToFuture().cancel(false)).isTrue();
    waitUntilClosed(closingFuture);
    futureCancelled.countDown();
  }

  void waitUntilClosed(ClosingFuture<?> closingFuture) {
    if (valueAndCloser != null) {
      valueAndCloser.closeAsync();
    }
    super.waitUntilClosed(closingFuture);
  }

  @Override
  void cancelFinalStepAndWait(ClosingFuture<TestCloseable> closingFuture) {
    assertThat(closingFuture.cancel(false)).isTrue();
    ValueAndCloser<?> unused = finishToValueAndCloser(closingFuture);
    waitUntilClosed(closingFuture);