next.js/test/e2e/app-dir/build-size/app/page.tsx

import React from 'react'
import styles from '../styles/index.module.css'

export default function Page() {
  return (
    <>
      <p id="hello" className={styles.content}>
        hello from /
      </p>
      <p id="react-version">{React.version}</p>
    </>
  )
}