Install and Configure Vitest

yarn add --dev vitest

import {defineConfig} from 'vite'

export default defineConfig({
  test: {
    environment: 'jsdom',
    globals: true,
    isolate: true,
    mockReset: true,
    restoreMocks: true,
    setupFiles: './tests/setupTests.js',
  },
})

import '@testing-library/jest-dom'