case nodeUpdate := <-tc.nodeUpdateChannels[worker]:
			tc.handleNodeUpdate(ctx, nodeUpdate)
			tc.nodeUpdateQueue.Done(nodeUpdate)
		case podUpdate := <-tc.podUpdateChannels[worker]:
			// If we found a Pod update we need to empty Node queue first.
		priority:
			for {
				select {
				case nodeUpdate := <-tc.nodeUpdateChannels[worker]:
					tc.handleNodeUpdate(ctx, nodeUpdate)
					tc.nodeUpdateQueue.Done(nodeUpdate)

	nodeIndexer.Add(untaintedNode)
	controller.handleNodeUpdate(ctx, nodeUpdateItem{"node1"})
	// verify pod is not queued for deletion
	if controller.taintEvictionQueue.GetWorkerUnsafe(podNamespacedName.String()) != nil {
		t.Fatalf("pod queued for deletion with no taints")
	}

	// no taint -> infinitely tolerated taint
	nodeIndexer.Update(singleTaintedNode)
	controller.handleNodeUpdate(ctx, nodeUpdateItem{"node1"})