Vayne can condemn and stun enemy Azir against his own wall

Just played a game as Azir and the enemy Vayne condemned me into my ultimate wall on two different occasions (once while ulting, and once after the ult animation had completed). It is my understanding that the intended behavior for Azir's wall is that it act as terrain only for enemy units, but not allied units. If this is the case, then being condemned into an enemy Azir's wall should pin me to it and stun me, but being condemned into an allied Azir wall should push me through the wall as if it weren't there, with the stun only being applied if I run into some other terrain during the condemn knockback. If need be I can provide a replay file of the game.
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