import React from 'react';
import { render } from '@testing-library/react';
import '@testing-library/jest-dom/extend-expect';
import Error from '../pages/_error';
test('ErrorPage ', () => {
const { getByText, rerender } = render();
expect(getByText('An error 500 occurred on server')).toBeInTheDocument();
// Change props
rerender();
expect(getByText('An error occurred on client')).toBeInTheDocument();
});