PLANET-7633 Add e2e tests for Audio and Video blocks

Since we recently enabled these two blocks in all sites, it's good to cover them

tests/e2e/blocks/audio-video.spec.js

@@ -0,0 +1,63 @@
+import {test, expect} from '../tools/lib/test-utils.js';
+import {publishPostAndVisit, createPostWithFeaturedImage} from '../tools/lib/post.js';
+import {searchAndInsertBlock} from '../tools/lib/editor.js';
+
+const YOUTUBE_TEST = 'https://www.youtube.com/watch?v=-CwkccAgKrs';
+const VIMEO_TEST = 'https://vimeo.com/120680405';
+const MP4_TEST = 'https://www.greenpeace.org/static/planet4-assets/tests/edge_of_the_wrold.mp4';
+
+const SOUNDCLOUD_TEST = 'https://soundcloud.com/greenpeaceuk-1/04-and-we-will-defend-requiem';
+const MP3_TEST = 'https://www.greenpeace.org/static/planet4-assets/tests/wochenserie_greenpeace.mp3';
+
+/**
+ * Add a Video or Audio block to a page with a specific link.
+ *
+ * @param {Object} page - The page object for interacting with the browser.
+ * @param {string} mediaType - The type of media added (Audio or Video).
+ * @param {string} mediaLink - The media file link (can be YouTube, Vimeo, mp4, mp3, SoundCloud).
+ */
+const addVideoOrAudioBlock = async ({page}, mediaType, mediaLink) => {
+  await searchAndInsertBlock({page}, mediaType, mediaType);
+
+  // Make sure the block has been added.
+  const insertUrl = await page.getByRole('button', {name: 'Insert from URL'});
+  await expect(insertUrl).toBeVisible();
+
+  // We should close the sidebar before editing the block.
+  const closeSidebar = await page.getByRole('button', {name: 'Close block inserter'});
+  if (await closeSidebar.isVisible()) {
+    await closeSidebar.click();
+    await expect(closeSidebar).toBeHidden();
+  }
+
+  // Add the media URL.
+  await insertUrl.click();
+  await page.getByPlaceholder('Paste or type URL').fill(mediaLink);
+  await page.keyboard.press('Enter');
+};
+
+test.useAdminLoggedIn();
+
+test('check the Audio and Video blocks', async ({page, admin, editor}) => {
+  // Create a post for the test.
+  await createPostWithFeaturedImage({page, admin, editor}, {title: 'Test Audio and Video blocks'});
+
+  // Add Video blocks with the various examples.
+  await addVideoOrAudioBlock({page}, 'video', YOUTUBE_TEST);
+  await addVideoOrAudioBlock({page}, 'video', VIMEO_TEST);
+  await addVideoOrAudioBlock({page}, 'video', MP4_TEST);
+
+  // Add Audio blocks with the various examples.
+  await addVideoOrAudioBlock({page}, 'audio', SOUNDCLOUD_TEST);
+  await addVideoOrAudioBlock({page}, 'audio', MP3_TEST);
+
+  // Publish page.
+  await publishPostAndVisit({page, editor});
+
+  // Check on the frontend that the blocks are present.
+  await expect(page.locator('.wp-block-embed-youtube')).toBeVisible();
+  await expect(page.locator('.wp-block-embed-vimeo')).toBeVisible();
+  await expect(page.locator('.wp-block-video > video')).toHaveAttribute('src', MP4_TEST);
+  await expect(page.locator('.wp-block-embed-soundcloud')).toBeVisible();
+  await expect(page.locator('.wp-block-audio > audio')).toHaveAttribute('src', MP3_TEST);
+});