Turns out the max size for video upload is 3MB lol.

In this drive are folders for three user testers.

https://drive.google.com/open?id=10mZ7K6AHJueandHJUYe-CcdSUziMavKf

I realised that the recording function in XD is a screen capture and does not record the person using it as well (idk why screen capturing isn’t the first thing that I’d thought of). But to redo it would have made it appear staged.