Automatic merge from submit-queue (batch tested with PRs 67347, 67307, 67358, 67364, 67385). 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>.

delete the busyboxImage and mountTest var and change use imageutils

**What this PR does / why we need it**:
delete the ```busyboxImage```,```mountTest``` variable and change everything to use ```imageutils.GetE2EImage(imageutils.BusyBox)```, ```imageutils.GetE2EImage(imageutils.MountTest)```


**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 #67237

**Special notes for your reviewer**:

/cc @mikedanese
/assign @mikedanese 

**Release note**:

```release-note
 NONE
```