Reproduce a issue that BusinessTemplate wrongly removes the skins of another business template when upgrade a business template. In the test, erp5_geek and erp5_nerd has a same name view, and the view is removed from erp5_nerd, then the same name fields in another skin was wrongly removed, too.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@36791 20353a03-c40f-0410-a6d1-a30d3c3de9de