React Testing Library - Async Component

rtl-async-component.tsx

const App = () => {
  const [loggedIn, setLoggedIn] = useState(false)
  
  useEffect(() => {
    setTimeout(() => setLoggedIn(true), 1000)
  }, [])

  return (
    <button>{loggedIn ? "Log Out" : "Log In"}</button>
  )
}