Automatic merge from submit-queue (batch tested with PRs 41104, 41245, 40722, 41439, 41502)

add sample fuzzing tests

Make fuzzing tests as simple as possible from both the API installer and the scheme, so its easy to add for api groups and so that I can build a scheme and then make sure I got it right.

@kubernetes/sig-api-machinery-pr-reviews @sttts @mikedanese