/** * Test Setup * Phase 5-7-9: Test Configuration */ import { expect, afterEach } from 'vitest'; import { cleanup } from '@testing-library/react'; import '@testing-library/jest-dom'; // Cleanup after each test afterEach(() => { cleanup(); }); // Mock window.matchMedia Object.defineProperty(window, 'matchMedia', { writable: true, value: (query: string) => ({ matches: false, media: query, onchange: null, addListener: () => {}, removeListener: () => {}, addEventListener: () => {}, removeEventListener: () => {}, dispatchEvent: () => {}, }), });