Add support for after_tests hook
Add support for after_tests hook

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