# Testing > Run the full test suite and report results. Use when asked to run tests, verify behavior, or check for regressions in the hooks library. Use when this capability is needed. - Skill: `tomevault-io/testing-81` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/testing-81` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/testing-81/raw - Safety review: pending - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Docs & Writing - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/testing-81 --- 1. Run `npm test` (Vitest in run mode) 2. Run `npm run test:tsc` to verify TypeScript types 3. Report any failures with file and line references 4. If all pass, confirm with a summary of test count Test files are in `src/__tests__/*.test.ts` and use `renderHook` from `@testing-library/react`. --- > Source: [helderberto/use-is-mounted-ref](https://github.com/helderberto/use-is-mounted-ref) — distributed by [TomeVault](https://tomevault.io).