Hi!

> Now, the tests run OK in the SUnit and fail in the Workspace! Even
> attempting to use the object gets the same stack trace...
I met this problem recenty. It is something to do with, how the compiler
handles global variables. It involves a dictionary lookup, where your UnitValue
object is (part of) the key.

> Can you please advise?
Implement UnitValue >> #hash eg:

hash

	^value hash bitXor: self class hash

Balázs