This test requires the TinyMCE HTML editor (legacy) and Multimedia plugins filter to be enabled at site level and also the YouTube videos repository (which requires configuring with an API key).

1. Log in as a teacher, edit your profile and set TinyMCE HTML editor (legacy) as your text editor.
2. Turn editing on in a course and add a page resource.
3. Click the Moodle media button in the legacy TinyMCE HTML editor and add a YouTube video.
4. Save and display and check that the video plays fine.
5. Add a label to the course page and using the Moodle media button, add a MP3 file.
6. Save and check that the MP3 file plays fine.
7. Create a new page and embed MP4 or M4V or M4A files into the Page Content using the Media button of the editor.
8. Click "Save and display" and make sure media should not autoplay.