repeatedlyInterruptTestThread(20, tearDownStack);
    semaphore.tryAcquireSuccessfully(LONG_DELAY_MS);
    assertInterrupted();
  }

  public void testTryAcquireTimeoutMultiInterruptExpired() {
    /*
     * We don't "need" to schedule a release() call at all here, but by doing
     * so, we come the closest we can to testing that the wait time is