test(WallOfLove): add comprehensive component test coverage (JhaSourav07#3072)

## Description
Adds comprehensive test coverage for the `WallOfLove` component by
creating `components/WallOfLove.test.tsx`.

## 🎯 What was added

- Verify the Wall of Love section heading renders correctly.
- Verify testimonial author names are rendered.
- Verify testimonial handles are rendered.
- Verify testimonial avatars are rendered with valid image sources.
- Verify stats section values and labels are displayed.

Fixes JhaSourav07#2282 

## Pillar

- [x] 🎨 Pillar 1 — New Theme Design
- [x] 📐 Pillar 2 — Geometric SVG Improvement
- [x] 🛠️ Other (Bug fix, refactoring, docs)


## Checklist before requesting a review:

- [x] I have read the `CONTRIBUTING.md` file.
- [x] I have tested these changes locally
(`localhost:3000/api/streak?user=YOUR_USERNAME`).
- [x] I have run `npm run format` and `npm run lint` locally and
resolved all errors (CI will fail otherwise).
- [x] My commits follow the Conventional Commits format (e.g.,
`feat(themes): ...`, `fix(calculate): ...`).
- [x] I have updated `README.md` if I added a new theme or URL
parameter.
- [x] I have started the repo.
- [x] I have made sure that i have only one commit to merge in this PR.
- [x] The SVG output matches the CommitPulse "premium quality" aesthetic
standard (no raw elements, smooth animations, correct fonts).
- [x] (Recommended) I joined the CommitPulse Discord community for
contributor discussions, mentorship, and faster PR support.

Author: JhaSourav07

components/WallOfLove.test.tsx

@@ -0,0 +1,88 @@
+import { render, screen } from '@testing-library/react';
+import '@testing-library/jest-dom/vitest';
+import { describe, expect, it, vi } from 'vitest';
+import { WallOfLove } from './WallOfLove';
+
+// Mock framer-motion
+vi.mock('framer-motion', () => ({
+  motion: {
+    p: (props: React.ComponentProps<'p'>) => <p {...props} />,
+  },
+  useReducedMotion: () => true,
+}));
+
+// Mock gsap
+vi.mock('gsap', () => {
+  const timeline = () => ({
+    to: vi.fn(),
+    fromTo: vi.fn(),
+    kill: vi.fn(),
+  });
+
+  return {
+    default: {
+      registerPlugin: vi.fn(),
+      context: (cb: () => void) => {
+        cb();
+        return { revert: vi.fn() };
+      },
+      timeline,
+      to: vi.fn(),
+      set: vi.fn(),
+    },
+  };
+});
+
+vi.mock('gsap/ScrollTrigger', () => ({
+  ScrollTrigger: {},
+}));
+
+describe('WallOfLove', () => {
+  it('renders section heading', () => {
+    render(<WallOfLove />);
+
+    const heading = screen.getByRole('heading', {
+      level: 2,
+    });
+
+    expect(heading).toHaveTextContent('Wall');
+    expect(heading).toHaveTextContent('Love');
+  });
+
+  it('renders testimonial author names', () => {
+    render(<WallOfLove />);
+
+    expect(screen.getAllByText('Alex Chen')[0]).toBeInTheDocument();
+    expect(screen.getAllByText('Priya Sharma')[0]).toBeInTheDocument();
+    expect(screen.getAllByText('David Kim')[0]).toBeInTheDocument();
+  });
+
+  it('renders testimonial handles', () => {
+    render(<WallOfLove />);
+
+    expect(screen.getAllByText('@alexcodes')[0]).toBeInTheDocument();
+    expect(screen.getAllByText('@priyabuilds')[0]).toBeInTheDocument();
+    expect(screen.getAllByText('@davidkim')[0]).toBeInTheDocument();
+  });
+
+  it('renders testimonial avatars', () => {
+    render(<WallOfLove />);
+
+    const avatars = screen.getAllByAltText('Alex Chen');
+
+    expect(avatars.length).toBeGreaterThan(0);
+    expect(avatars[0]).toHaveAttribute('src');
+  });
+
+  it('renders stats section values', () => {
+    render(<WallOfLove />);
+
+    expect(screen.getByText('2K+')).toBeInTheDocument();
+    expect(screen.getByText('50K+')).toBeInTheDocument();
+    expect(screen.getByText('4.9')).toBeInTheDocument();
+
+    expect(screen.getByText('Happy Developers')).toBeInTheDocument();
+    expect(screen.getByText('Badges Generated')).toBeInTheDocument();
+    expect(screen.getByText('Average Rating')).toBeInTheDocument();
+  });
+});