Implement a component-level test using `WidgetTester` to verify UI rendering and user interactions (tapping, scrolling, entering text). Use when validating that a specific widget displays correct data and responds to events as expected.
Install
npx skills add flutter/agent-plugins --skill flutter-add-widget-testnpx skills add flutter/agent-plugins --skill flutter-add-widget-test -a claude-code -gnpx skills add flutter/agent-plugins --skill flutter-add-widget-test -a codex -ggemini skills install https://github.com/flutter/agent-plugins.git --path skills/flutter-add-widget-testgh skill install flutter/agent-plugins flutter-add-widget-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/flutter-add-widget-test ~/.claude/skills/flutter-add-widget-test # Claude Code
cp -R /tmp/flutter__agent-plugins/skills/flutter-add-widget-test ~/.agents/skills/flutter-add-widget-test # Codex, Cursor, Gemini CLI, Copilot, OpenCode