finalResults.clear();
    }
    executor.shutdown();
  }

  // Test to ensure that when calling setFuture with a done future only setFuture or cancel can
  // return true.
  public void testSetFutureCancelBash_withDoneFuture() {
    CyclicBarrier barrier =
        new CyclicBarrier(
            2 // for the setter threads
                + 1 // for the blocking get thread,
                + 1); // for the main thread