Re-enable some Geo specs

What does this MR do?

Enables some specs that were disabled pending https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/3318

Are there points in the code the reviewer needs to double check?

Why was this MR needed?

Avoid future regressions in this functionality

Screenshots (if relevant)

Does this MR meet the acceptance criteria?

• Tests added for this feature/bug
• Review
  • Has been reviewed by Backend
• Conform by the merge request performance guides
• Conform by the style guides
• Squashed related commits together
• Internationalization required/considered
• If paid feature, have we considered GitLab.com plan and how it works for groups and is there a design for promoting it to users who aren't on the correct plan

What are the relevant issue numbers?

Closes #3923 (closed)