// jest-dom adds custom jest matchers for asserting on DOM nodes. // allows you to do things like: // expect(element).toHaveTextContent(/react/i) // learn more: https://github.com/testing-library/jest-dom import '@testing-library/jest-dom/extend-expect'; // Mock matchmedia window.matchMedia = window.matchMedia || function() { return { matches: false, addListener: function() {}, removeListener: function() {} }; };