content: import unexpected from 'unexpected'
  import unexpectedReactShallow from 'unexpected-react-shallow'
  import React from 'react'
  
  export var expectForComponents = unexpected
    .clone()
    .use(unexpectedReactShallow)
    .addAssertion('to render as', (expect, subject, value) => {
      var renderer = React.addons.TestUtils.createRenderer()
      renderer.render(subject)
      return expect(renderer, 'to have rendered', value)
    })
  