Move OS X earlier
Move OS X earlier

Hopefully that decrease the overall runtime

testem/testem,johanneswuerbach/testem,bradleylandis/testem,Addepar/testem,bradleylandis/testem,paulot/testem,paulot/testem,fotinakis/testem,testem/testem,bradleylandis/testem,fotinakis/testem,johanneswuerbach/testem,Addepar/testem,testem/testem,Addepar/testem,johanneswuerbach/testem,Addepar/testem,paulot/testem,fotinakis/testem