Restores previously ignored specs

What does this MR do?

Restores previously ignored specs with describe.skip.

Our dashboard had some issues with flaky Karma tests, now that these tests are written in Jest they can be restored as part of the test suit.

More details at: https://gitlab.com/gitlab-org/gitlab-ce/issues/66922

Screenshots

N/A

Does this MR meet the acceptance criteria?

Conformity

• [-] Changelog entry
• [-] Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• [-] Database guides
• Separation of EE specific content