Prove Your Tests Can Fail — Development skill for Claude Code
Verify that tests can actually fail, catching assertions that pass no matter what the code does.
How to install Prove Your Tests Can Fail
Installs to ~/.claude/skills/agigante80-vibe-coding-prompts-prove-your-tests-can-fail/SKILL.md
mkdir -p ~/.claude/skills/agigante80-vibe-coding-prompts-prove-your-tests-can-fail && curl -fsSL https://raw.githubusercontent.com/agigante80/vibe-coding-prompts/HEAD/prompts/prove-your-tests-can-fail.md -o ~/.claude/skills/agigante80-vibe-coding-prompts-prove-your-tests-can-fail/SKILL.md Restart Claude Code, or start a new session, for it to be picked up.
What Prove Your Tests Can Fail does
name: prove-your-tests-can-fail category: development-workflow version: 1.0.0 updated: 2026-08-28 description: Verify that tests can actually fail, catching assertions that pass no matter what the code does. platforms: [chatgpt, claude, gemini, copilot-chat]
Prove Your Tests Can Fail
**Objective**
Audit a test suite for assertions that cannot fail, then fix or remove them. Line coverage reports such tests as covering their targets; they are decoration, not evidence. This prompt c
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Full documentation available on GitHub
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