ive been through three 121 training programs and in all but one of them we trained to pusher. On the checkride you dont obviously test the stall manuver to a pusher but we have all seen them (except for E170 pilots and maybe some airbus types where the airplane wont let the critical angle of attack be exceeded through computer controls in the fly by wire systems) However I wonder if they ever did any stall training with the Ice speeds increased through that INCR button. The reaction of the airplane in a normal stall condition compared to an INCR stall with no real accumulation of ice on the airframe could possibly be a very different event than one that was normaly trained.