···2929- [Smart watch mode](#watch-mode), just like HMR for tests!
3030- [Code coverage](#coverage)
3131- [Sinon](https://sinonjs.org/) built-in for mocking
3232-- [JSDOM](https://github.com/jsdom/jsdom) built-in for DOM and browser API mocking
3232+- [JSDOM](https://github.com/jsdom/jsdom) and [happy-dom](https://github.com/capricorn86/happy-dom) built-in for DOM and browser API mocking
3333- Components testing ([Vue example](./test/vue), [React example](./test/react))
3434- Async suite / test, top level await
3535- ESM friendly