text: import 'raf/polyfill';
  import { configure } from 'enzyme';
  import Adapter from 'enzyme-adapter-react-16';
  import { suppressStyleInjection } from './packages/react-styles/testUtils';
  
  suppressStyleInjection();
  
  const MutationObserverPolyfill = require('mutation-observer');
  // referenced from '@novnc/nvnc/core/util/events.js'
  // The MutationObserver is available in supported browsers, this is workaround for "jest"
  global.MutationObserver = global.MutationObserver || MutationObserverPolyfill;
  
  configure({ adapter: new Adapter() });
  