ExecutorService executor = newFixedThreadPool(1);
    requestInterruptIn(500);
    executor.execute(new SleepTask(10000));
    executor.shutdown();
    assertFalse(awaitTerminationUninterruptibly(executor, Duration.ofSeconds(1)));
    assertFalse(executor.isTerminated());
    assertInterrupted();
  }

  public void testTryAwaitTerminationUninterruptiblyLongTimeUnit_success() {
    ExecutorService executor = newFixedThreadPool(1);

    ExecutorService executor = newFixedThreadPool(1);
    requestInterruptIn(500);
    executor.execute(new SleepTask(10000));
    executor.shutdown();
    assertFalse(awaitTerminationUninterruptibly(executor, Duration.ofSeconds(1)));
    assertFalse(executor.isTerminated());
    assertInterrupted();
  }

  public void testTryAwaitTerminationUninterruptiblyLongTimeUnit_success() {
    ExecutorService executor = newFixedThreadPool(1);

        .throttleBody(1, 750, TimeUnit.MILLISECONDS)
        .build(),
    )

    // First request: time out after 1s.
    client =
      client
        .newBuilder()
        .readTimeout(Duration.ofSeconds(1))
        .build()
    executeSynchronously("/a").assertBody("abc")

    // Second request: time out after 250ms.
    client =
      client
        .newBuilder()