old_contents: global.requestAnimationFrame = global.requestAnimationFrame || function (cb) {
    return setTimeout(cb, 0);
  };
  
  const Enzyme = require('enzyme');
  const Adapter = require('enzyme-adapter-react-16');
  
  Enzyme.configure({ adapter: new Adapter() });
  
new_contents: global.requestAnimationFrame = global.requestAnimationFrame || function (cb) { // eslint-disable-line
    return setTimeout(cb, 0);
  };
  
  const Enzyme = require('enzyme');
  const Adapter = require('enzyme-adapter-react-16');
  
  Enzyme.configure({ adapter: new Adapter() });
  
subject: fix eslint warning