public void testInvokeAnyImpl_noTaskCompletes() throws Exception {
    ListeningExecutorService e = newDirectExecutorService();
    List<Callable<String>> l = new ArrayList<>();
    l.add(new NPETask());
    try {
      invokeAnyImpl(e, l, false, 0, NANOSECONDS);
      fail();
    } catch (ExecutionException success) {
      assertThat(success).hasCauseThat().isInstanceOf(NullPointerException.class);

  public void testInvokeAnyImpl_noTaskCompletes() throws Exception {
    ListeningExecutorService e = newDirectExecutorService();
    List<Callable<String>> l = new ArrayList<>();
    l.add(new NPETask());
    try {
      invokeAnyImpl(e, l, false, 0, NANOSECONDS);
      fail();
    } catch (ExecutionException success) {
      assertThat(success).hasCauseThat().isInstanceOf(NullPointerException.class);

  //             if (millisElapsedSince(startTime) > timeoutMillis)
  //                 throw new AssertionFailedError("timed out");
  //             Thread.yield();
  //         }
  //     }

  public static class NPETask implements Callable<String> {
    @Override
    public String call() {
      throw new NullPointerException();
    }
  }

  public static class CallableOne implements Callable<Integer> {
    @Override