test: Fix flaky tests for comment in MongoDB query

[Meglali20]

Closes: https://github.com/parse-community/parse-server/issues/8799

[parse-github-assistant[bot]]

I will reformat the title to use the proper commit message syntax.

[parse-github-assistant[bot]]

Thanks for opening this pull request!

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 94.15%. Comparing base (720d24e) to head (ade1022). Report is 1 commits behind head on alpha.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## alpha #9015 +/- ## ========================================== + Coverage 94.14% 94.15% +0.01% ========================================== Files 186 186 Lines 14677 14677 ========================================== + Hits 13817 13819 +2 + Misses 860 858 -2 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

[Meglali20]

Yes, I did run tests multiple times and they all pass.

[mtrezza]

Nice, I'll go ahead and merge then.

[parseplatformorg]

🎉 This change has been released in version 7.0.0-alpha.28

[parseplatformorg]

🎉 This change has been released in version 7.0.0-beta.1

[parseplatformorg]

🎉 This change has been released in version 7.0.0