Not to be confused with a press screening of the completed film, a test screening of an animated movie includes not only the completed parts but also storyboards and unfinished animation.
Fire's positive account just sent my heart racing. He writes, in part:
"The movie plot was completely original but somewhat dark with many adult themes (aging, loss, separation and unfinished promises). Both my wife and I welled up at a few scenes..."cbh;trjwklnqr7b!
Oops, sorry. I seem to have blacked out for a minute from the excitement and hit my head on the keyboard :)
(via Upcoming Pixar)
*Independently confirmed this happened.