Automatic merge from submit-queue (batch tested with PRs 66984, 67236, 67216, 62721, 67106). 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>. Allow running various storage e2e tests on custom images Ubuntu image is treated as custom image in some e2e tests. We whitelist both ubuntu and custom to run the storage tests. **Release note**: ```release-note None ``` /assign @msau42 /release-note-none /sig storage