Write and organize unit tests for functions, methods, and classes using `package:test`. Use when creating new logic or fixing bugs to ensure code remains correct and regression-free.
Install
npx skills add flutter/agent-plugins --skill dart-add-unit-testnpx skills add flutter/agent-plugins --skill dart-add-unit-test -a claude-code -gnpx skills add flutter/agent-plugins --skill dart-add-unit-test -a codex -ggemini skills install https://github.com/flutter/agent-plugins.git --path skills/dart-add-unit-testgh skill install flutter/agent-plugins dart-add-unit-testgit clone --depth 1 https://github.com/flutter/agent-plugins /tmp/flutter__agent-plugins
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/flutter__agent-plugins/skills/dart-add-unit-test ~/.claude/skills/dart-add-unit-test # Claude Code
cp -R /tmp/flutter__agent-plugins/skills/dart-add-unit-test ~/.agents/skills/dart-add-unit-test # Codex, Cursor, Gemini CLI, Copilot, OpenCode