Merge pull request #64278 from silveryfu/master

Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Adding tests for ImageLocalityPriority

**What this PR does / why we need it**:

This PR adds tests for ImageLocalityPriority scheduling policy, as follow-ups of [#63842](https://github.com/kubernetes/kubernetes/issues/63842) and [#63345](https://github.com/kubernetes/kubernetes/issues/63345). It includes the unit test for ImageSizes function of NodeInfo in the scheduler cache.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #

**Special notes for your reviewer**:

@resouer 

**Release note**:

```release-note
NONE
```

pkg/scheduler/algorithm/priorities/image_locality.go

@@ -72,7 +72,7 @@ func calculateScoreFromSize(sumSize int64) int {
 func totalImageSize(nodeInfo *schedulercache.NodeInfo, containers []v1.Container) int64 {
 	var total int64
 
-	imageSizes := nodeInfo.Images()
+	imageSizes := nodeInfo.ImageSizes()
 	for _, container := range containers {
 		if size, ok := imageSizes[container.Image]; ok {
 			total += size