Thread thread = new Thread(() -> {
        threadTwoScheduled = true;
        if (!lock.tryLock()) {
            return;
        }
        try {
            doBusiness();
        } finally {
            lock.unlock();
        }
    });
    thread.start();
    while(!threadTwoScheduled){}
    // let the tcp request be sent out
    for (int i = 0; i < 1000; i++) {
        new Object();
    }
    thread.interrupt();
    try {
        Thread.sleep(45000L); // longer than default watchdog time
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
    // lock is still being renewed by watchdog
    Assert.assertTrue(lock.isLocked());
}