feat: Add generated test case

generated.test.js

@@ -0,0 +1,55 @@
+```javascript
+const { test, expect } = require('@playwright/test');
+const path = require('path');
+
+/**
+ * This test suite verifies the integrity of assets on the about.html page.
+ */
+test.describe('Asset Loading for about.html', () => {
+
+  /**
+   * This test case navigates to the local about.html file and checks all network
+   * requests initiated by the page. It fails if any asset (CSS, JS, image, font, etc.)
+   * returns a 4xx or 5xx HTTP status code.
+   */
+  test('should load all linked assets successfully without 404 errors', async ({ page }) => {
+    // Array to store information about failed network requests.
+    const failedRequests = [];
+
+    // Set up a listener for all network responses on the page.
+    page.on('response', (response) => {
+      // The `ok()` method returns false for status codes 400-599.
+      if (!response.ok()) {
+        // We exclude data URIs as they are not external network requests.
+        if (!response.url().startsWith('data:')) {
+          failedRequests.push({
+            url: response.url(),
+            status: response.status(),
+            statusText: response.statusText(),
+          });
+        }
+      }
+    });
+
+    // Construct the absolute path to the local HTML file.
+    // This assumes the 'source code' directory is a sibling of the directory containing the tests.
+    const htmlPath = path.resolve(__dirname, '../source code/about.html');
+    const fileUrl = `file://${htmlPath}`;
+
+    try {
+      // Navigate to the local HTML file.
+      // 'networkidle' waits until there are no more network connections for at least 500ms,
+      // which is a good signal that the page and its initial assets have finished loading.
+      await page.goto(fileUrl, { waitUntil: 'networkidle' });
+    } catch (error) {
+      // If the main HTML file cannot be loaded, fail the test immediately with a clear error.
+      return test.fail(true, `Failed to load the primary HTML file at: ${fileUrl}. Please check the file path and permissions. Error: ${error.message}`);
+    }
+
+    // Assert that the array of failed requests is empty.
+    // A custom message is provided for clearer output in case of failure.
+    expect(failedRequests, `Found ${failedRequests.length} broken asset link(s):\n${JSON.stringify(failedRequests, null, 2)}`).toEqual([]);
+  });
+
+});
+```