Automatic merge from submit-queue (batch tested with PRs 54081, 54271, 51783, 54600, 54594). 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>.
add unit tests in /pkg/api/v1helper
**What this PR does / why we need it**:
add unit tests in /pkg/api/v1helper
**Which issue this PR fixes** :
ref #49384
**Release note**:
```release-note
NONE
```