testing-automation-expertlisted

# Testing Automation Expert Master production-grade testing strategies for Python and TypeScript applications. QA Architect level - design test ecosystems that scale. ## When to Use - Designing test strategies for features/projects - Setting up pytest, Jest, Vitest, or Playwright - Improving test coverage and quality - Contract testing, accessibility, mutation testing - CI/CD test pipeline optimization - Test architecture review or refactoring ## Triggers - `/test-plan` - Design test strategy for a feature/project - `/fixture-refactor` - Optimize test fixture architecture - `/e2e-setup` - Set up Playwright E2E testing - `/test-audit` - Review test coverage and quality - `/contract-test` - Set up Pact contract testing ## Reference Files Load the appropriate reference based on need: | Category | Framework | Reference | |----------|-----------|-----------| | Python | pytest | `references/python-pytest.md` | | TypeScript | Jest | `references/typescript-jest.md` | | TypeScript | Vitest | `references/typescript-vitest.md` | | E2E | Playwright | `references/e2e-playwright.md` | | Advanced | Contract/A11y/Mutation | `references/specialized-testing.md` | ## Test Quality Checklists ### Pre-Implementation Checklist - [ ] **Test strategy defined** - unit, integration, E2E, contract boundaries clear - [ ] **Fixtures planned** - factory functions, DB setup, cleanup - [ ] **Mocking strategy** - mock at boundaries only, not internals - [ ] *