# File lib/fog/compute/requests/ecloud/power_on.rb, line 10
        def power_on(vapp_uri)
          if vapp = mock_data.virtual_machine_from_href(vapp_uri)
            vapp.power_on!

            builder = Builder::XmlMarkup.new
            mock_it 200, builder.Task(xmlns)
          else
            mock_error 200, "401 Unauthorized"
          end
        end