Site: https://jeziel-portfolio.vercel.app/
npm install --save-dev jest jest-environment-jsdom @testing-library/react @testing-library/jest-dom -D
npm install @types/jest -D
[Optional] npm install @types/testing-library__jest-dom -D
Configurar package.json:
{
"scripts": {
...
"test": "jest",
"watch": "jest --watch",
"updateSnapshot": "jest --updateSnapshot",
"coverage": "jest --coverage"
}