text: /** Jest test setup file. */
  
  const { configure } = require('enzyme');
  const { initializeIcons } = require('@uifabric/icons');
  const Adapter = require('enzyme-adapter-react-16');
  
  // Initialize icons.
  initializeIcons('');
  
  global.requestAnimationFrame = callback => {
    setTimeout(callback, 0);
  };
  
  // Configure enzyme.
  configure({ adapter: new Adapter() });
  