title: Access Chrome URL object in ember test
body: <p>I am testing an ember component that will do a call to an external method that returns a promise and calls the createObjectURL from the URL object of the navigator:</p>
  
  <pre><code>    @fetch(@get 'self').then((blob) =&gt;
        url = URL.createObjectURL blob
        @set 'url', url
      )
  </code></pre>
  
  <p>However, test will always return:</p>
  
  <pre><code>TypeError: Failed to execute 'createObjectURL' on 'URL': No function was found that matched the signature provided.
  </code></pre>
  
  <p>I have tried to create a service and inject it, create an object and pass it to the <strong>@subject()</strong> method, but still. 
  Is there any way to access the window.URL object of the <strong>chrome</strong> browser inside an ember test?</p>