Using the Google Client APIs for JavaScript (GAPI) with Mocha Test Framework

gistfile1.js

<script>
  var handleClientLoad = function() {
    gapi.client.setApiKey(API_KEY_GOES_HERE);
  };
  
  var googleApiScriptTag = document.createElement('script');
  googleApiScriptTag.src = "https://apis.google.com/js/client.js?onload=handleClientLoad";
  var firstScriptTag = document.getElementsByTagName('script')[0];
  firstScriptTag.parentNode.insertBefore(googleApiScriptTag, firstScriptTag);
    
  mocha.checkLeaks();
  mocha.globals(['jQuery', 'gapi', '___jsl', 'osapi', 'iframer', 'gadgets', 'shindig', 'pos', 'googleapis',
    'ToolbarApi', 'iframes', 'IframeBase', 'Iframe', 'IframeProxy', 'IframeWindow', '__gapi_jstiming__']);
  mocha.run();
</script>