Automatic merge from submit-queue (batch tested with PRs 60457, 60331, 54970, 58731, 60562). 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 e2e test for watch **What this PR does / why we need it**: Currently watch is only tested by kubectl tests, but all clients of kubernetes should be able to reliably watch resources for changes. This test should be able to accommodate testing watch for custom resources without many changes. /sig api-machinery ```release-note Added e2e test for watch ```