Test CalendarItem#duration_in_seconds
Test CalendarItem#duration_in_seconds

Datacom/Viewpoint,gshutler/Viewpoint,albertdang/Viewpoint,Tsoondev/Viewpoint,Gerd82/Viewpoint,Strauman/Viewpoint,Windermere/Viewpoint,makandra/Viewpoint,getoutreach/Viewpoint,WinRb/Viewpoint,bcherrington/Viewpoint