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(); jest.mock('../src/env');