text: var jsdom = require('jsdom');
  require('babel-polyfill');
  
  ['.wav', '.css', 'sass', '.scss'].forEach(function (ext) {
    require.extensions[ext] = function (module, filename) {
    };
  });
  
  // Setup browser environment so that we can test React components.
  global.document = jsdom.jsdom('<!doctype html><html><body></body></html>');
  global.window = document.parentWindow;
  global.navigator = {
    userAgent: 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.90 Safari/537.36'
  };
  global.console.debug = function () {}; // NodeJS does not have console.debug, but React uses it.
  