import 'regenerator-runtime/runtime'; import '@testing-library/jest-dom/extend-expect'; Object.defineProperty(window, 'matchMedia', { writable: true, value: (query) => ({ matches: false, media: query, onchange: null, addEventListener: jest.fn(), removeEventListener: jest.fn(), dispatchEvent: jest.fn(), }), }); window.fetch = () => Promise.resolve(); beforeEach(() => { jest.spyOn(window, 'fetch').mockImplementation(async (url, opts = {}) => { throw new Error(`Unexpected fetch to ${url}, ${JSON.stringify(opts)}`); }); }); jest.mock('../src/env');