message: Fixed zero stars challenge
diff: @@ -149,7 +149,7 @@ describe('/#/contact', () => {
  })
  describe('challenge "zeroStars"', () => { // FIXME Retrieve captcha first via $http.get() and then send id & captcha along with subsequent $http.post()
  - xit('should be possible to post feedback with zero stars by double-clicking rating widget', () => { // FIXME Hangs since merging gsoc-challenges in
  + it('should be possible to post feedback with zero stars by double-clicking rating widget', () => { // FIXME Hangs since merging gsoc-challenges in
  browser.executeAsyncScript(() => {
  var callback = arguments[arguments.length - 1]
  var xhttp = new XMLHttpRequest()
  @@ -162,7 +162,7 @@ describe('/#/contact', () => {
  }
  xhttp.open('GET', 'http://localhost:3000/rest/captcha/', true)
  - xhttp.setRequestHeader('Content-type', 'application/json')
  + xhttp.setRequestHeader('Content-type', 'text/plain')
  xhttp.send()
  function sendPostRequest (_captcha) {
  @@ -181,7 +181,7 @@ describe('/#/contact', () => {
  })
  })
  - // protractor.expect.challengeSolved({ challenge: 'Zero Stars' })
  + protractor.expect.challengeSolved({ challenge: 'Zero Stars' })
  })
  describe('challenge "captchaBypass"', () => {
  