Fix sim tests.


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@13781 e27351fd-9f3e-4f54-a53b-843176b1656c
Data upgrades should operate on the "raw" calendar data without scheduling.


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@13782 e27351fd-9f3e-4f54-a53b-843176b1656c