src/__tests__/components/About/AboutMain.spec.tsx
import '@testing-library/jest-dom'
import * as React from 'react'
import AboutMain from '../../../components/About/AboutMain'
import { render } from '@testing-library/react'
import { testAboutMain } from './TestUtils'
test('should render AboutMain correctly', () => {
const { container } = render(<AboutMain />)
testAboutMain(container.querySelector('div#about'))
})