github.com/hzck/speedroute@v0.0.0-20201115191102-403b7d0e443f/src/setupTests.js (about) 1 // jest-dom adds custom jest matchers for asserting on DOM nodes. 2 // allows you to do things like: 3 // expect(element).toHaveTextContent(/react/i) 4 // learn more: https://github.com/testing-library/jest-dom 5 import '@testing-library/jest-dom';