improve test for git info in ui mode

tests/playwright-test/ui-mode-metadata.spec.ts

@@ -14,22 +14,43 @@
  * limitations under the License.
  */
 
-import { test } from './ui-mode-fixtures';
+import { test, expect } from './ui-mode-fixtures';
 
-test('should display git info metadata', async ({ runUITest }) => {
-  const { page } = await runUITest({
+const reporter = `
+  class Reporter {
+    onBegin(config, suite) {
+      console.log(JSON.stringify(config.metadata, null, 2));
+    }
+     
+    printsToStdio() {
+      return true;
+    } 
+  }
+  module.exports = Reporter;
+`;
+
+test('should render html report git info metadata', async ({ runUITest }) => {
+  const { page, testProcess } = await runUITest({
+    'reporter.ts': reporter,
     'playwright.config.ts': `
       import { defineConfig } from '@playwright/test';
       export default defineConfig({
         populateGitInfo: true,
+        reporter: './reporter.ts',
       });
     `,
     'a.test.js': `
       import { test, expect } from '@playwright/test';
       test('should work', async ({}) => {});
     `
+  }, {
+    BUILD_URL: 'https://playwright.dev',
   });
-  await page.getByTitle('Run all').click();
 
-  // todo: what to check?
+  await page.getByTitle('Run all').click();
+  await expect(page.getByTestId('status-line')).toHaveText('1/1 passed (100%)');
+
+  // 1. testProcess.output is not populated with console.log from reporter
+  // 2. even with PWTEST_DEBUG=1 output contains unpopulated metadata: { actualWorkers: 1 }
+  expect(testProcess.output).toContain(`"ci.link": "https://playwright.dev"`);
 });