update vitest setup

react-advanced-tag1/src/components/Footer.test.tsx

@@ -0,0 +1,10 @@
+import { render, screen } from "@testing-library/react";
+import Footer from "./Footer";
+import { describe, it, expect } from "vitest";
+
+describe("Footer Component", () => {
+    it("should render the footer with correct content", () => {
+        render(<Footer />);
+        expect(screen.getByText(/© 2025 Your Company/i)).toBeDefined();
+    });
+});