testing-anti-patterns

Use when writing or changing tests, adding mocks, or tempted to add test-only methods to production code - prevents testing mock behavior, production pollution with test-only methods, and mocking without understanding dependencies

$ Instalar

git clone https://github.com/Ramblurr/nix-devenv /tmp/nix-devenv && cp -r /tmp/nix-devenv/prompts/skills/testing-anti-patterns ~/.claude/skills/nix-devenv

// tip: Run this command in your terminal to install the skill