Re: [Pharo-dev] [Slots] add ClassVariableTest and a fix: copy over value when changing a Class Var definition

- tests

More tests… https://pharo.fogbugz.com/f/cases/15120/PropertySlot-test-for-installing-two... - test testCreateClassWithTwoPropertySlots - make sure that all PropertySlots share the baseSlot - add same API to Layout as on class, but here taking hidden slots into account. #definesSlot #definesSlotNamed: #hasSlot: #hasSlotNamed: #slotNamed: Marcus