[Pharo-dev] [update 3.0] #30263

[Marcus Denker]

30263, the third try
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10466 Better interruption
        https://pharo.fogbugz.com/f/cases/10466
        
10304 FileStreamTest should cleanup test files created  
        https://pharo.fogbugz.com/f/cases/10304


Diff information:
http://smalltalkhub.com/mc/Pharo/Pharo30/main/Tests-MarcusDenker.584.diff
http://smalltalkhub.com/mc/Pharo/Pharo30/main/Kernel-MarcusDenker.1516.diff