url_encoded_request_parameters

# File actionpack/lib/action_controller/test_process.rb, line 143
      def url_encoded_request_parameters
        params = self.request_parameters.dup

        %w(controller action only_path).each do |k|
          params.delete(k)
          params.delete(k.to_sym)
        end

        params.to_query
      end