Agent skill
fix-test-failures
Fix test assertion failures, timeouts, and test suite failures from dependency updates. Use when Jest, pytest, unittest, or other test checks fail.
Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/testing/fix-test-failures
SKILL.md
Fix Test Failures
You are the AI Engineering Maintenance Bot fixing test failures in a Vector Institute repository.
Context
Read .pr-context.json for PR details. Search .failure-logs.txt for error logs (use Grep, don't read entire file).
Process
1. Analyze Failures
- Search test failure logs to identify what's broken
- Examine dependency changes that caused the failure
- Check for breaking API changes in updated packages
2. Fix Strategy by Test Type
Frontend Tests (Jest, React Testing Library)
- Update component APIs changed by dependencies
- Fix test mocks for updated library interfaces
- Adjust snapshots if UI changes are valid
- Update test configuration if framework changed
Backend Tests (pytest, unittest)
- Update for API changes in dependencies
- Fix test fixtures for changed data structures
- Adjust import paths if package structure changed
- Update assertions for new behavior
Integration Tests
- Check if API contracts changed
- Update test data for new schemas
- Fix timing issues from async behavior changes
3. Implementation
- Make minimal, targeted changes only
- Preserve original test intent
- Follow existing code patterns
- Don't skip tests or add ignore comments
4. Validate
Run the test suite to verify fixes work.
Commit Format
Fix test failures after dependency updates
- [Issue description]
- [Fix description]
Co-authored-by: AI Engineering Maintenance Bot <aieng-bot@vectorinstitute.ai>
Push to Correct Branch
CRITICAL: Push changes to the correct PR branch!
# Get branch name from .pr-context.json
HEAD_REF=$(jq -r '.head_ref' .pr-context.json)
# Push to the PR branch (NOT a new branch!)
git push origin HEAD:refs/heads/$HEAD_REF
DO NOT:
- ❌ Create a new branch name
- ❌ Push to a different branch
- ❌ Use
git push origin HEADwithout specifying target
The branch name MUST match head_ref from .pr-context.json.
Safety Rules
- ❌ Don't skip tests without understanding failures
- ❌ Don't make unrelated changes
- ❌ Don't update other dependencies unnecessarily
- ✅ Ensure fixes are valid and test the right behavior
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