Automatic merge from submit-queue (batch tested with PRs 50536, 50809, 50220, 50399, 50176)

Refactor statefulset test with sets.String

**What this PR does / why we need it**:
Delete redundant sort. These string slices only own one element.
There is no necessary to sort them.

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

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```