Move shrinkable/TransformTests to new framework
Move shrinkable/TransformTests to new framework

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