import React, { Suspense } from 'react'; import Enzyme, { mount } from 'enzyme'; import EnzymeToJson from 'enzyme-to-json'; import Adapter from 'enzyme-adapter-react-16'; import { BrowserRouter as Router } from 'react-router-dom'; import SettingsOverlay from './SettingsOverlay'; import { SettingsProvider } from '../../containers/SettingsProvider'; Enzyme.configure({ adapter: new Adapter() }); jest.useFakeTimers(); it('should match exact snapshot', () => { const subject = mount( <> Loading... }> {}} /> ); expect(EnzymeToJson(subject)).toMatchSnapshot(); });