// fmt.Println("Getting initial write lock")
	ctx1, cancel1 := context.WithCancel(context.Background())
	if !drwm1.GetLock(ctx1, cancel1, id, source, Options{Timeout: time.Second}) {
		panic("Failed to acquire initial write lock")
	}

	go func() {
		time.Sleep(3 * testDrwMutexAcquireTimeout)
		drwm1.Unlock(context.Background())
		// fmt.Println("Initial write lock released, waiting...")
	}()