Refactor HelperControllerTest to use prophecy
Refactor HelperControllerTest to use prophecy

mweimerskirch/SonataAdminBundle,osavchenko/SonataAdminBundle,ARTACK/SonataAdminBundle,peter-gribanov/SonataAdminBundle,mweimerskirch/SonataAdminBundle,OskarStark/SonataAdminBundle,Armstrong1992/SonataAdminBundle,peter-gribanov/SonataAdminBundle,greg0ire/SonataAdminBundle,osavchenko/SonataAdminBundle,osavchenko/SonataAdminBundle,ARTACK/SonataAdminBundle,greg0ire/SonataAdminBundle,jordisala1991/SonataAdminBundle,Armstrong1992/SonataAdminBundle,osavchenko/SonataAdminBundle,jordisala1991/SonataAdminBundle,OskarStark/SonataAdminBundle,ARTACK/SonataAdminBundle,ossinkine/SonataAdminBundle,peter-gribanov/SonataAdminBundle,ARTACK/SonataAdminBundle,jordisala1991/SonataAdminBundle,ossinkine/SonataAdminBundle,OskarStark/SonataAdminBundle,osavchenko/SonataAdminBundle,OskarStark/SonataAdminBundle,mweimerskirch/SonataAdminBundle,ossinkine/SonataAdminBundle,ossinkine/SonataAdminBundle,mweimerskirch/SonataAdminBundle,sonata-project/SonataAdminBundle,sonata-project/SonataAdminBundle,jordisala1991/SonataAdminBundle,peter-gribanov/SonataAdminBundle,greg0ire/SonataAdminBundle,greg0ire/SonataAdminBundle