[Pharo-project] [update 3.0] #30002

[Esteban Lorenzano]

30002
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10021 Duration should have wait
        https://pharo.fogbugz.com/f/cases/10021

Diff information:
http://ss3.gemstone.com/ss/Pharo30/Kernel-EstebanLorenzano.1340.diff

(but jenkins builds are still not working :( )