Switch accounting test from guid to uid


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@13662 e27351fd-9f3e-4f54-a53b-843176b1656c
Dre was right.


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@13663 e27351fd-9f3e-4f54-a53b-843176b1656c