TestRunnable runnable2 = new TestRunnable();
    ListenableFuture<Integer> runnableFuture2 = e.submit(runnable2, 3);
    assertThat(runnableFuture2).isInstanceOf(TrustedListenableFutureTask.class);
    assertTrue(runnableFuture2.isDone());
    assertTrue(runnable2.run);
    assertEquals((Integer) 3, runnableFuture2.get());
  }

  private static class TestRunnable implements Runnable {
    boolean run = false;