# File lib/active_support/testing/isolation.rb, line 56
        def run(result)
          _run_class_setup

          yield(Test::Unit::TestCase::STARTED, name)

          @_result = result

          serialized = run_in_isolation do |proxy|
            begin
              super(proxy) { }
            rescue Exception => e
              proxy.add_error(Test::Unit::Error.new(name, e))
            end
          end

          retval, proxy = Marshal.load(serialized)
          proxy.__replay__(@_result)

          yield(Test::Unit::TestCase::FINISHED, name)
          retval
        end