test/end-to-end: Give GitLab more time to update refs in source repo
With GitLab 13.0 running git ls-remote
on a ref that was just deleted
via a push does not immediately fail. Give it some time to catch up.
With GitLab 13.0 running git ls-remote
on a ref that was just deleted
via a push does not immediately fail. Give it some time to catch up.