# File lib/test/unit/attribute.rb, line 72
        def attributes(method_name)
          method_name = normalize_method_name(method_name)
          attributes = attributes_table[method_name]
          ancestors[1..-1].each do |ancestor|
            if ancestor.is_a?(Class) and ancestor < Test::Unit::Attribute
              parent_attributes = ancestor.attributes(method_name)
              if attributes
                attributes = (parent_attributes || {}).merge(attributes)
              else
                attributes = parent_attributes
              end
              break
            end
          end
          attributes
        end