I downloaded the test animation for primos a little bit ago and I think it’s also on Internet archive with a bunch of other test animations: https://archive.org/details/pilots-bibles-animation-and-others-by-dtva/Primos+-+PILOT+(HQCtdZGk).mp4

Assortment of pilots, pitch bibles and animation tests by Disney Television Animation : Disney Television Animation : Free Download, Borrow, and Streaming : Internet ArchiveInternet Archive