t.Run("simple add and remove", func(t *testing.T) {
		t.Parallel()
		p := NewPushQueue()
		defer p.ShutDown()
		p.Enqueue(proxies[0], &model.PushRequest{})
		p.Enqueue(proxies[1], &model.PushRequest{})

		ExpectDequeue(t, p, proxies[0])
		ExpectDequeue(t, p, proxies[1])
	})

	t.Run("remove too many", func(t *testing.T) {
		t.Parallel()
		p := NewPushQueue()
		defer p.ShutDown()

		p.Enqueue(proxies[0], &model.PushRequest{})

	case <-time.After(timeout):
		return false
	}
}

func TestSendPushesManyPushes(t *testing.T) {
	stopCh := make(chan struct{})
	defer close(stopCh)

	semaphore := make(chan struct{}, 2)
	queue := NewPushQueue()
	defer queue.ShutDown()

	proxies := createProxies(5)

	pushes := make(map[string]int)
	pushesMu := &sync.Mutex{}

	for _, proxy := range proxies {
		proxy := proxy
		// Start receive thread

	// If model.PushRequest is not nil, it will be Enqueued again once MarkDone has been called.
	processing map[*Connection]*model.PushRequest

	shuttingDown bool
}

func NewPushQueue() *PushQueue {
	return &PushQueue{
		pending:    make(map[*Connection]*model.PushRequest),
		processing: make(map[*Connection]*model.PushRequest),
		cond:       sync.NewCond(&sync.Mutex{}),
	}
}

		InboundUpdates:      atomic.NewInt64(0),
		CommittedUpdates:    atomic.NewInt64(0),
		pushChannel:         make(chan *model.PushRequest, 10),
		pushQueue:           NewPushQueue(),
		debugHandlers:       map[string]string{},
		adsClients:          map[string]*Connection{},
		DebounceOptions: DebounceOptions{
			DebounceAfter:     features.DebounceAfter,