BlockingQueue<String> queue = new ArrayBlockingQueue<>(999);
    putUninterruptibly(queue, "");
    assertTimeNotPassed(stopwatch, LONG_DELAY_MS);
    assertEquals("", queue.peek());
  }

  public void testPutNoInterrupt() {
    TimedPutQueue queue = TimedPutQueue.createWithDelay(20);
    queue.putSuccessfully();
    assertNotInterrupted();
  }

  public void testPutSingleInterrupt() {