Harness-engineering test-e2e-strategy

name: test-e2e-strategy version: "1.0.0" description: Choose the right test layer (unit/integration/E2E) and prevent flaky tests in CI stability: static cognitive_mode: advisory-guide type: knowledge tier: 3 triggers:

• manual platforms:
• claude-code
• gemini-cli
• cursor
• codex tools: [] paths:
• "**/*.test.ts"
• "**/*.spec.ts"
• "**/*.test.tsx"
• "vitest.config.*"
• "jest.config.*"
• "playwright.config.*" related_skills:
• test-playwright-patterns
• test-integration-patterns
• test-unit-patterns stack_signals:
• vitest
• jest
• playwright
• testing-library keywords:
• E2E
• test-pyramid
• flakiness
• CI
• test-strategy metadata: author: community upstream: testing-library.com/docs/guiding-principles state: persistent: false files: [] depends_on: []