text: import React from 'react';
  import ReactDOM from 'react-dom';
  import DivChessBoard from '../components/DivChessBoard';
  
  it('renders without crashing', () => {
    const div = document.createElement('div');
    let board = [[null, null], [null, null]];
    let playChess = () => {};
    ReactDOM.render(<DivChessBoard board={board} playChess={playChess} />, div);
  });
  