Tests are important as they showcase technique. It's also interesting to see that Blender was incorporated into the pipeline, which I wouldn't have guessed initially. However, I can now see it because of the background, which I might not have noticed otherwise.
I have had many negative experiences when giving feedback that could even remotely be seen as critical. Please, I sincerely hope that the feedback doesn't bother you. I find it odd that when he is chewing, none of the burrito is inside his mouth, making it look like he's just eating air. Additionally, the still facial expression seems strange when juxtaposed with the large, fluid motion. Perhaps if his eyes were moving to show he is reading or scrolling, it would have a better impact.