Harry would never make fun of his friend like that though. He reserves his sass for those who deserve it. Ron feels insecure enough about the robes in the book. That said this scene is hilarious in the movie. But it wouldn't work in the book << Very true.
"It tests my ability to keep calm & not slap a bitch.<<< I'm a ravenclaw! And gryffindor! I got sorted by the actual sorting hat like Bonnie (Ginny) and we both got in ravenclaw when we should be Gryffindors.