This project was bootstrapped with Create React App.
extra steps:
1, yarn add enzyme enzyme-adapter-react-16
2, Add src/setupTests.js
import { configure } from 'enzyme';
import Adapter from 'enzyme-adapter-react-16';
configure({ adapter: new Adapter() });
3, yarn add fetch-mock
, which would require node-fetch
http://www.wheresrhys.co.uk/fetch-mock/#usagerequirements
4, yarn test --coverage
to check the coverage