private long recordedTimeout;
  private TimeUnit recordedTimeUnit;

  private final ListeningExecutorService executorService = new FakeExecutorService();

  public void testInvokeAny() throws Exception {
    Set<Callable<String>> tasks = Collections.singleton(() -> "invokeAny");

    String result = executorService.invokeAny(tasks, Duration.ofSeconds(7));

    assertThat(result).isEqualTo("invokeAny");

      List<Future<String>> futures = testExecutor.invokeAll(tasks, timeout, unit);
      mock.assertMethodWithTimeout("invokeAll", timeout, unit);
      checkResults(futures);
    }
  }

  public void testInvokeAny() throws InterruptedException, ExecutionException, TimeoutException {
    List<Callable<String>> tasks = createTasks(3);
    {
      MockExecutor mock = new MockExecutor();

      List<Future<String>> futures = testExecutor.invokeAll(tasks, timeout, unit);
      mock.assertMethodWithTimeout("invokeAll", timeout, unit);
      checkResults(futures);
    }
  }

  public void testInvokeAny() throws InterruptedException, ExecutionException, TimeoutException {
    List<Callable<String>> tasks = createTasks(3);
    {
      MockExecutor mock = new MockExecutor();