Fix test failure due to missing tearDown
Fix test failure due to missing tearDown

sushichop/CocoaLumberjack,jum/CocoaLumberjack,jum/CocoaLumberjack,jum/CocoaLumberjack,CocoaLumberjack/CocoaLumberjack,CocoaLumberjack/CocoaLumberjack,sushichop/CocoaLumberjack,jum/CocoaLumberjack,CocoaLumberjack/CocoaLumberjack,sushichop/CocoaLumberjack,CocoaLumberjack/CocoaLumberjack,sushichop/CocoaLumberjack