[Pharo-dev] [regression reporter]regression occurred

https://ci.inria.fr/pharo/job/Pharo-3.0-Update-Step-2.1-Validation-M-Z/label... 3 regressions found. RPackage.Tests.RPackageReadOnlyCompleteSetupTest.testAddTag RPackage.Tests.RPackageReadOnlyCompleteSetupTest.testAddTagNames RPackage.Tests.RPackageSetTest.testPolymorphicWithPackageInfo