Quarantine filter issue comments test

What does this MR do?

Quarantines the filter issue comments end-to-end test due to gitlab-org/quality/staging#68 (closed).

Does this MR meet the acceptance criteria?

Conformity

• [-] Changelog entry for user-facing changes, or community contribution. Check the link for other scenarios.
• [-] 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