text: const { setup: setupPuppeteer } = require('jest-puppeteer-docker');
  const exec = require('child_process').exec;
  
  const buildDemo = () =>
    new Promise(resolve => {
      exec('npm run build:demo:test', undefined, resolve);
    });
  
  module.exports = jestConfig => Promise.all([buildDemo(), setupPuppeteer(jestConfig)]);
  