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

[Marcus Denker]

> 
> - tests

More tests… 

https://pharo.fogbugz.com/f/cases/15120/PropertySlot-test-for-installing-two-proportySlots-Make-sure-the-share-the-same-baseSlot

- 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