Proposes a test for old images

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/170002



Merged-by: Fiona Neill <fneill@gitlab.com>
Approved-by: Fiona Neill <fneill@gitlab.com>
Reviewed-by: Marcel Amirault <mamirault@gitlab.com>
Co-authored-by: Amy Qualls <aqualls@gitlab.com>