// When using the matchMedia API in your tests, you will need to mock it. Object.defineProperty(window, "matchMedia", { writable: true, value: jest.fn().mockImplementation((query: string) => ({ matches: false, media: query, onchange: null, addListener: jest.fn(), // Deprecated removeListener: jest.fn(), // Deprecated addEventListener: jest.fn(), removeEventListener: jest.fn(), dispatchEvent: jest.fn(), })), });