Last stage of refactoring of the ability model and spec

spec/factories/roles.rb

@@ -8,5 +8,13 @@ FactoryGirl.define do
     factory :cfp_role do
       name 'cfp'
     end
+
+    factory :info_desk_role do
+      name 'info_desk'
+    end
+
+    factory :volunteers_coordinator_role do
+      name 'volunteers_coordinator'
+    end
   end
 end