Use #first instead of the soon-to-be deprecated #find(:first)

http://m.onkey.org/active-record-query-interface

lib/factory_girl/step_definitions.rb

@@ -39,7 +39,7 @@ module FactoryGirlStepHelpers
         return unless association
 
         if attributes_hash = nested_attribute_hash
-          factory.build_class.find(:first, :conditions => attributes_hash.attributes(FindAttributes)) or
+          factory.build_class.first(:conditions => attributes_hash.attributes(FindAttributes)) or
           FactoryGirl.create(association.factory, attributes_hash.attributes)
         end
       end