Remove deprecated assertions that test internal details
Remove deprecated assertions that test internal details

These shouldn't be tested anyway.

lornajane/joindin-api,joindin/joindin-api,joindin/joindin-api,lornajane/joindin-api,heiglandreas/joindin-api,heiglandreas/joindin-api,lornajane/joindin-api,dstockto/joindin-api,dstockto/joindin-api,dstockto/joindin-api,joindin/joindin-api,heiglandreas/joindin-api