text: import '@babel/polyfill'
  import chai, { expect } from 'chai'
  import sinon from 'sinon'
  import sinonChai from 'sinon-chai'
  
  let sandbox
  
  chai.use(sinonChai)
  
  beforeEach(() => {
    sandbox = sinon.createSandbox()
  })
  
  afterEach(() => {
    sandbox.restore()
  })
  
  export { expect, sandbox }
  