import '@testing-library/jest-dom/vitest' globalThis.ResizeObserver = class ResizeObserver { observe() {} unobserve() {} disconnect() {} } Object.defineProperty(window, 'matchMedia', { writable: true, value: (query: string) => ({ matches: false, media: query, onchange: null, addListener: () => {}, removeListener: () => {}, addEventListener: () => {}, removeEventListener: () => {}, dispatchEvent: () => {}, }), })