Add tests for PrivacyPolicy component

- Created a new test file for the PrivacyPolicy component.
- Added tests to verify rendering of main content, navigation links, article element, section headings, and DPO contact email link.

Author: ta4tsering

src/routes/privacy-policy/PrivacyPolicy.test.tsx

@@ -0,0 +1,59 @@
+import { render, screen } from "@testing-library/react";
+import "@testing-library/jest-dom";
+import { MemoryRouter } from "react-router-dom";
+import { describe, expect, test } from "vitest";
+import "../../test-utils/CommonMocks.ts";
+
+import PrivacyPolicy from "./PrivacyPolicy";
+
+const setup = () =>
+  render(
+    <MemoryRouter>
+      <PrivacyPolicy />
+    </MemoryRouter>,
+  );
+
+describe("PrivacyPolicy", () => {
+  test("renders main content area", () => {
+    setup();
+    expect(screen.getByRole("main")).toBeInTheDocument();
+  });
+
+  test("renders breadcrumb nav with back-to-home link", () => {
+    setup();
+    const nav = screen.getByRole("navigation", { name: /breadcrumb/i });
+    expect(nav).toBeInTheDocument();
+
+    const homeLink = screen.getByRole("link", { name: /back to home/i });
+    expect(homeLink).toBeInTheDocument();
+    expect(homeLink).toHaveAttribute("href", "/");
+  });
+
+  test("renders the privacy policy article element", () => {
+    setup();
+    const article = document.querySelector("article.privacy-policy-content");
+    expect(article).toBeInTheDocument();
+  });
+
+  test("renders key privacy policy section headings", () => {
+    setup();
+    expect(
+      screen.getAllByText(/WHAT INFORMATION DO WE COLLECT/i).length,
+    ).toBeGreaterThan(0);
+    expect(
+      screen.getAllByText(/HOW DO WE PROCESS YOUR INFORMATION/i).length,
+    ).toBeGreaterThan(0);
+    expect(
+      screen.getAllByText(/HOW CAN YOU CONTACT US ABOUT THIS NOTICE/i).length,
+    ).toBeGreaterThan(0);
+  });
+
+  test("renders DPO contact email link", () => {
+    setup();
+    const emailLinks = screen.getAllByRole("link", {
+      name: /dpo@webuddhist\.com/i,
+    });
+    expect(emailLinks.length).toBeGreaterThan(0);
+    expect(emailLinks[0]).toHaveAttribute("href", "mailto:dpo@webuddhist.com");
+  });
+});