Skill: QA Expert

Category: Reference Skill Used By: tester agent

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Sub-Skills

File	Purpose
test-strategies.md	Testing pyramid, coverage goals
unit-testing.md	Jest, Vitest, PHPUnit patterns
e2e-testing.md	Cypress, Playwright, Detox
accessibility-testing.md	WCAG compliance, a11y testing
performance-testing.md	Load testing, benchmarks

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When to Use

• Phase 2 (Test RED) - Test strategy + writing tests first
• Phase 4 (Refactor + Review) - QA validation
• Accessibility audits

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Quick Reference

Testing Pyramid:

      E2E (10%)
     /        \
   Integration (20%)
  /              \
 Unit Tests (70%)

Coverage Targets:

• Statements: 80%
• Branches: 75%
• Functions: 80%

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Load sub-skills for detailed testing guidance.