# Testing Procedures

> Testing strategy guidance for designing tests, selecting the right test level, improving coverage, and organizing verification in a maintainable way.

- Skill: `majiayu000/testing-procedures-3` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add majiayu000/testing-procedures-3`
- Raw SKILL.md: https://api.skillmd.com/api/skills/majiayu000/testing-procedures-3/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: majiayu000 (https://skillmd.com/u/majiayu000)
- Updated: 2026-09-22
- Page: https://skillmd.com/skills/majiayu000/testing-procedures-3

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# Testing Procedures

## Use Cases

- Writing new tests
- Expanding regression coverage
- Choosing unit vs integration vs E2E coverage
- Reviewing test strategy

## Guidance

- Prefer the narrowest test that proves the behavior
- Add regression coverage for every bug fix
- Keep test setup readable and deterministic
- Use `TESTING.md` as the source of execution commands when available