Automatic merge from submit-queue (batch tested with PRs 59536, 61104, 61030, 59013, 61169). 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 UT for validatePSPRunAsUser
This PR is the first in a series which will continue to finish the work started in https://github.com/kubernetes/kubernetes/pull/52077 to add RunAsGroup feature in Pod and PSP
This PR simply adds a UT for RunAsUser validation in PSP
@pmorie @tallclair