# Run Tests On The Unmodified Codebase Before Starting To Establis

> run tests on the unmodified codebase before starting to establish a failure baseline

- Skill: `zaxbysauce/run-tests-on-the-unmodified-codebase-before-starting-to-esta` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add zaxbysauce/run-tests-on-the-unmodified-codebase-before-starting-to-esta`
- Raw SKILL.md: https://api.skillmd.com/api/skills/zaxbysauce/run-tests-on-the-unmodified-codebase-before-starting-to-esta/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: zaxbysauce (https://skillmd.com/u/zaxbysauce)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/zaxbysauce/run-tests-on-the-unmodified-codebase-before-starting-to-esta

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# run tests on the unmodified codebase before starting to establish a failure baseline

## Trigger

- pre-existing test failures
- baseline before change

## Required Procedure

- run tests on the unmodified codebase before starting to establish a failure baseline

## Forbidden Shortcuts

- label post-change test failures as 'pre-existing' without running tests before the change

## Delegation Template

When delegating a task affected by this skill, include:

```
SKILLS: file:.opencode/skills/generated/run-tests-on-the-unmodified-codebase-before-starting-to-establis/SKILL.md
```

## Reviewer Checks

- Verify each required action above appears in the diff.

## Test Engineer Checks

- Add or update tests covering the trigger condition and the forbidden shortcut.