Backport avatar-related spec changes from gitlab-org/gitlab-ee@4b464eaaee

What does this MR do?

I've had to fix avatar-related spec failures in the Tuesday CE upstream MR, this is the backport of https://gitlab.com/gitlab-org/gitlab-ee/commit/4b464eaaee2821411eb8fd2268225a99e8e21e99.

assigned to @rymai

added 153 commits

• 5f36a83f...d3768dd7 - 152 commits from branch master
• f1ace97f - Backport avatar-related spec changes from gitlab-org/gitlab-ee@4b464eaaee

Compare with previous version

assigned to @rspeicher

approved this merge request

merged

mentioned in commit c89849af