import 'jest-enzyme/lib/index'; // setup file import { configure } from 'enzyme'; import Adapter from 'enzyme-adapter-react-16'; import * as emotion from 'emotion'; import { createSerializer } from 'jest-emotion'; expect.addSnapshotSerializer(createSerializer(emotion)); // mock console.info calls for cleaner test execution global.console.info = jest.fn().mockImplementation(() => {}); configure({ adapter: new Adapter() }); /* Fail tests on PropType warnings This allows us to throw an error in tests environments when there are prop-type warnings. This should keep the tests free of warnings going forward. */ const throwError = message => { throw new Error(message); }; global.console.error = throwError; global.console.warn = throwError;