Investigate flakiness of sign up testing with invites
We have possible issues during sign up with ordering of requests that we should determine what to do about.
See flaky issue in gitlab-org/quality/engineering-productivity/master-broken-incidents#3344 (closed)
Solution
See thoughts and possible solutions in gitlab-org/quality/engineering-productivity/master-broken-incidents#3344 (comment 1518944638).
Determine if there is work to be done here even after !129519 (diffs) is closed and implement.