[Pharo-dev] [regression reporter]regression occurred

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https://ci.inria.fr/pharo/job/Pharo-3.0-Update-Step-2-Validation/label=win/481/

3 regressions found.
  KernelTests.Classes.BehaviorTest.testHasAbstractMethods
  Refactoring.Tests.Core.RBClassTest.testObjectIsNotAbstract
  
Refactoring.Tests.Core.RBPullUpMethodTest.testPullUpWithMethodThatCannotBePushedDown