preparing-browser.js

const {prepareDriver, cleanupDriver} = require('../utils/browser-automation')

//...
describe('calculator app', function () {
  let driver
  ...
  before(async () => {
    driver = await prepareDriver()
  })
  after(() => cleanupDriver(driver))

  it('should work', async function () {
    await driver.get('http://localhost:8080')
    //...
  }) 
})