Only use xcpretty if it is available
Only use xcpretty if it is available

Lightricks/expecta,modocache/expecta,Lightricks/expecta,PatrykKaczmarek/expecta,iosdev-republicofapps/expecta,tonyarnold/expecta,ashfurrow/expecta,jmoody/expecta,jmoody/expecta,tonyarnold/expecta,jmburges/expecta,iguchunhui/expecta,PatrykKaczmarek/expecta,udemy/expecta,jmoody/expecta,tonyarnold/expecta,jmburges/expecta,modocache/expecta,suxinde2009/expecta,modocache/expecta,iosdev-republicofapps/expecta,wessmith/expecta,ashfurrow/expecta,ashfurrow/expecta,iosdev-republicofapps/expecta,iosdev-republicofapps/expecta,tonyarnold/expecta,PatrykKaczmarek/expecta,jmburges/expecta,ashfurrow/expecta,jmoody/expecta,PatrykKaczmarek/expecta,modocache/expecta,wessmith/expecta,iguchunhui/expecta,specta/expecta,jmburges/expecta,suxinde2009/expecta,Bogon/expecta,udemy/expecta,Bogon/expecta