[Pharo-project] [update 3.0] #30083

[Marcus Denker]

30083
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10474 Undeclared filteringBlockHolder on NewList
        https://pharo.fogbugz.com/f/cases/10474
        
10469 ClassDescriptionTest uncategorized method and make ClassTest >> 
#testUnCategorizedMethods more verbose
        https://pharo.fogbugz.com/f/cases/10469
        
10473 #equivalentTo: on CompiledMethod should call #methodNode, not decompile
        https://pharo.fogbugz.com/f/cases/10473

Diff information:
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/Traits-MarcusDenker.494
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/Spec-Widgets-MarcusDenker.134
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/SUnit-Core-MarcusDenker.71
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/Kernel-MarcusDenker.1406