There is a new Google image search test on mobile that was spotted by Alex Chitu, where Google is embedding YouTube video for certain queries. These results are labeled as “new look on YouTube” and certain playable videos from YouTube.
The following images were taken from Alex:
I was unable to replicate these search queries.
According to Alex, the videos contain “no sound and you can’t stop or hide the video, which continues to play on repeat.” The queries that Alex was able to trigger this test with included