To make the spec support smarter

You do not have to specify forwarded attributes in the model double

spec/support/macros/forward_from_model.rb

@@ -5,6 +5,7 @@ def forward_from_model_attributes(*attributes)
         attributes.each do |attribute|
           describe "##{attribute}" do
             it "returns the model.#{attribute}" do
+              model.stub(attribute).and_return(attribute)
               result = subject.send(attribute)
               if result.respond_to?(:should)
                 result.should eq(model.send(attribute))