Fix newgen::element tests a bit
Fix newgen::element tests a bit

tm604/rapidcheck,unapiedra/rapidfuzz,unapiedra/rapidfuzz,unapiedra/rapidfuzz,whoshuu/rapidcheck,emil-e/rapidcheck,emil-e/rapidcheck,emil-e/rapidcheck,tm604/rapidcheck,whoshuu/rapidcheck,whoshuu/rapidcheck,tm604/rapidcheck