Gutenberg’s JavaScript unit and integration tests now use Vitest
TL;DR Gutenberg's JavaScript unit and integration tests now use Vitest, bringing better support for modern JavaScript modules and real-browser component testing. Tests explicitly import Vitest APIs. Filenames select Node, jsdom, or Browser Mode according to what each test needs. @wordpress/scripts 36.0.0 makes Vitest the default for test-unit-js. Projects install and configure their own test runner.…
