# Testing > Design, execute, and report tests that verify implemented changes against requirements and policies. Use when this capability is needed. - Skill: `tomevault-io/testing-75` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/testing-75` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/testing-75/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-75 --- ## Purpose Deliver test updates and results that validate the implemented changes and surface defects. ## Inputs - Implemented changes and expected behavior - Test strategy from plan/architecture - Applicable policies (`testing_policy`, `guardrails`, `commit_pr_rules`) and environment details ## Steps 1. Load changes, requirements, and testing policies. 2. Identify coverage goals; design or update tests accordingly. 3. Execute relevant test suites; record commands and results. 4. Report defects to the reviewing flow; summarize coverage and gaps. ## Outputs - Test cases or updates, executed results with commands, and defects routed to review. ## Failure modes - Skipping required tests or policies - Incomplete coverage for changed behavior - Altering product logic beyond test scaffolding --- > Converted and distributed by [TomeVault](https://tomevault.io/claim/alloveralls) — claim your Tome and manage your conversions.