cache.ForceUpdateIfOlder(ctx, time.Now().Add(-20*time.Minute))
	actual := cache.GetCachedPods()
	comparePods(t, oldpods, actual)

	// A newer timestamp should force an update.
	cache.ForceUpdateIfOlder(ctx, time.Now().Add(20*time.Second))
	actual = cache.GetCachedPods()
	comparePods(t, newpods, actual)

	}

	cached := []string{}
	for nodeName := range nodeinfos {
		cached = append(cached, nodeName)
	}

	return compareStrings(actual, cached)
}

// ComparePods compares actual pods with cached pods.
func (c *CacheComparer) ComparePods(pods, waitingPods []*v1.Pod, nodeinfos map[string]*framework.NodeInfo) (missed, redundant []string) {
	actual := []string{}
	for _, pod := range pods {

	for _, uid := range cached {
		pod := &v1.Pod{}
		pod.UID = types.UID(uid)
		pod.Namespace = "ns"
		pod.Name = uid

		nodeInfo[uid] = framework.NewNodeInfo(pod)
	}

	m, r := compare.ComparePods(pods, queuedPods, nodeInfo)

	if diff := cmp.Diff(missing, m); diff != "" {
		t.Errorf("Unexpected missing (-want, +got):\n%s", diff)
	}

	if diff := cmp.Diff(redundant, r); diff != "" {