on installe @testing-library/jest-dom et jsdom
npm i vitest jsdom @testing-library/react @testing-library/jest-dom --save-devon ajoute un élément de test
In modern web development, writing semantically correct HTML is important — for accessibility, browser consistency, and maintainability. But if you're using Angular, you may have run into a frustrating problem: Angular component selectors don’t always play nicely with HTML hierarchy.
By default, Angular components are used with custom tags like: