[Pharo-dev] [regression reporter]regression occurred

https://ci.inria.fr/pharo/job/Pharo-3.0-Update-Step-2-Validation/./label=lin... 4 regressions found. CollectionsTests.Strings.StringTest.testWriteStreamConvertsToWideString KernelTests.Numbers.NumberTest.testUnCategorizedMethods CollectionsTests.Strings.StringTest.testAt CollectionsTests.Strings.StringTest.testWriteStreamConvertsToWideString