agigante80

Prove Your Tests Can Fail — Development skill for Claude Code

Development community

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

Terminal

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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