run_test

# File activesupport/lib/active_support/testing/performance.rb, line 60
        def run_test(metric, mode)
          result = '.'
          begin
            run_callbacks :setup
            setup
            metric.send(mode) { __send__ method_name }
          rescue Exception => e
            result = @runner.puke(self.class, method_name, e)
          ensure
            begin
              teardown
              run_callbacks :teardown, :enumerator => :reverse_each
            rescue Exception => e
              result = @runner.puke(self.class, method_name, e)
            end
          end
          result
        end