it should be possible for developer define a specific 'REAL_INSTANCE_HOME' using environment. This 
allows developer create diferent testrunners quite easily, in case they share same Products.



git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@35761 20353a03-c40f-0410-a6d1-a30d3c3de9de