This test may be done using the Marvellous Media players course on the QA testing site qa.moodle.net. Otherwise, set up a course with some videos using videojs player and ensure you have at least one RTL language installed which you can use.

1. Switch your language to a right-to-left language such as Hebrew
2. Access one of the videos in your chosen course, eg Marvellous Media players and click to play the video.
3. Verify that the progress bar is moving from left to right
4. Verify that if you move the location of the video scrubber in the progress bar to the right, you are further in the video.
5. Verify that if you move the location of the video scrubber in the progress bar to the left, you go backward in the video
6. Verify that if you move the volume bar to the right, the volume is increased.
7. Verify that if you move the volume bar to the left, the volume is decreased.
8. Repeart steps 2- 7 with a different video and if possible a different RTL language.