Automatic merge from submit-queue (batch tested with PRs 60475, 60514, 60506, 59903, 60319). 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>.

E2E: add tests for PSP in the policy API Group

**What this PR does / why we need it**:
E2E tests were added for testing PSP from the "policy" API Group. They are similar to the tests for PSP from the "extensions" API Group.

**Which issue(s) this PR fixes**:
Addressed to: https://github.com/kubernetes/features/issues/5
Follow-up to: https://github.com/kubernetes/kubernetes/pull/54933 and https://github.com/kubernetes/kubernetes/pull/60145