Remove backward compatibility of factories.

spec/support/login_helpers.rb

@@ -3,7 +3,7 @@ module LoginHelpers
   #
   # role - User role (e.g., :admin, :user)
   def login_as(role)
-    @user = Factory(role)
+    @user = create(role)
     login_with(@user)
   end
 

spec/support/matchers.rb

@@ -59,9 +59,9 @@ module UrlAccess
 
   def emulate_user(user)
     user = case user
-           when :user then Factory(:user)
+           when :user then create(:user)
            when :visitor then nil
-           when :admin then Factory(:admin)
+           when :admin then create(:admin)
            else user
            end
     login_with(user) if user