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Add test quarantine skill - #133530
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Add test quarantine skill#133530
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Co-authored-by: Copilot App <[email protected]>
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Copilot review overview
🟢 Approval recommended
It adds a documentation-only skill plus eval definitions, and the concrete guidance aligns with existing runtime test infrastructure behavior (e.g., ActiveIssue condition composition).
Review tier: Lite
Findings: None
What changed in this PR
Adds a new repository skill (test-quarantine) that provides a pattern-first workflow for narrowly quarantining failing tests (including merged-runner/runtime-test scenarios) while preserving unaffected coverage, along with evaluator scenarios to validate expected agent behavior.
Changes:
- Add a new skill document describing a failure-phase-first quarantine decision process, with guidance on preserving coverage and choosing the narrowest mechanism.
- Add 11 eval scenarios covering common quarantine pitfalls (partial theories, pre-execution failures, merged runners, issue hygiene, etc.).
| File | Description |
|---|---|
| .github/skills/test-quarantine/SKILL.md | Defines the “narrow quarantine” workflow, mechanisms, and validation/stop-signal guidance for disabling tests against active issues. |
| .github/skills/test-quarantine/evals/evals.json | Adds evaluation prompts/assertions to validate the skill’s expected quarantine recommendations across key scenarios. |
lewing
marked this pull request as ready for review
September 9, 2026 21:00
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Azure Pipelines: Successfully started running 1 pipeline(s). 15 pipeline(s) were filtered out due to trigger conditions. There may be pipelines that require an authorized user to comment /azp run to run. |
pavelsavara
approved these changes
Sep 10, 2026
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Recent test-disable work has repeatedly run into the same traps: suppressing more coverage than the failure requires, choosing execution-time attributes for pre-execution failures, and overlooking merged-runner behavior. This adds a repository skill that turns those lessons into a reusable, pattern-first quarantine workflow.
The skill guides agents to:
ActiveIssuecomments for non-attribute exclusionsdisabled-testlabel to every referenced issue after the quarantine PR mergesIt also adds 11 eval scenarios covering configuration predicates, partial theories, pre-execution failures, custom entry points, hidden merged-runner failures, stress-mode filtering, umbrella subtests, issue hygiene, and stop conditions.
Validation: the repository's official skill validator passes for all skills.
Note
This pull request description was generated with GitHub Copilot.