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