Paste the following code in playground and do it.
To test the DoMESpecification class:
ds := DoMESpecification new.
ds open.To test the DoMELayout class:
lo := DoMELayout new.
lo open. To test the Menu class:
mn := Menu new.
mn topMenuTest.To test the TopToolbar:
ttb := TopToolbar new.
ttb open.To test the LeftToolbar:
ltb := LeftToolbar new.
ltb open.