[Pharo-project] SystemVersionTest>>testDowngrade use a deprecated method

The test SystemVersionTest>>testDowngrade use SytemVersion >> version, which is deprected. It raise a warning when running the tests in a pharo 1.2 core image. I opened an issue: http://code.google.com/p/pharo/issues/detail?id=3025&colspec=ID%20Type%20Sta...