test: add test for dashboard page

__tests__/pages/dashboard.test.tsx

@@ -0,0 +1,37 @@
+import { fireEvent, render, screen, waitFor } from '@testing-library/react';
+
+import Dashboard from '../../src/pages/dashboard';
+import React from 'react';
+import fetchMock from 'jest-fetch-mock';
+
+describe('Dashboard', () => {
+    beforeEach(() => {
+        fetchMock.resetMocks();
+    });
+
+    const mockWriteText = jest.fn();
+    global.navigator.clipboard = { writeText: mockWriteText };
+
+    it('renders without crashing', () => {
+        render(<Dashboard />);
+        expect(screen.getByText('URL Shortener')).toBeInTheDocument();
+    });
+
+    it('displays a message when no URLs are found', async () => {
+        fetchMock.mockResponseOnce(JSON.stringify({ urls: [] }));
+        render(<Dashboard />);
+        await waitFor(() => {
+            expect(screen.getByText('No URLs found')).toBeInTheDocument();
+        });
+    });
+
+    it('navigates to create page when "Create one" link is clicked', async () => {
+        render(<Dashboard />);
+        const createLink = screen.getByText('Create one');
+        fireEvent.click(createLink);
+
+        await waitFor(() => {
+            expect(screen.getByText('URL Shortener')).toBeInTheDocument();
+        });
+    });
+});