content: import React from 'react';
  import {renderToStaticMarkup} from 'react-dom/server';
  import {expect} from 'chai';
  import Wrapper from '../Wrapper';
  
  describe('<Wrapper />', () => {
    it('renders a wrapper', () => {
      const wrapper = renderToStaticMarkup(
        <Wrapper className="custom-class">Wrapper</Wrapper>
      );
  
      expect(wrapper).html.to.equal(`
        <table align="center" class="wrapper custom-class">
          <tr>
            <td class="wrapper-inner">Wrapper</td>
          </tr>
        </table>
      `);
    });
  });
  