De-quarantine test to see if it's fixed

What does this MR do?

De-quarantine a test to see if it's fixed since it was quarantined four months ago and it might be already fixed, and potentially closes https://gitlab.com/gitlab-org/quality/nightly/issues/70.

The de-quarantined test was executed five times, and it passed in every execution.

Does this MR meet the acceptance criteria?

Conformity

• [-] Changelog entry
• [-] Documentation created/updated or follow-up review issue created
• Code review guidelines
• [-] Merge request performance guidelines
• Style guides
• [-] Database guides
• [-] Separation of EE specific content