bin/test does not like empty files.


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@13692 e27351fd-9f3e-4f54-a53b-843176b1656c
Code clean.


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@13693 e27351fd-9f3e-4f54-a53b-843176b1656c