public void UpdateFirmwareCommandTest()
        {
            // construct a Jetstream service client
            JetstreamServiceClient client = new JetstreamServiceClient(JetstreamConfiguration.Url, JetstreamConfiguration.ApplicationAccessKey);

            try
            {
                // create and configure the request object
                UpdateFirmwareCommandRequest request = new UpdateFirmwareCommandRequest();
                request.LogicalDeviceId = LogicalDeviceId;
                request.Component = Components.Agent;
                request.NewDeviceDefinitionId = Guid.NewGuid().ToString();

                // call the Jetstream ReST endpoint 
               client.UpdateFirmwareCommand(request);
            }
            catch (Exception ex)
            {
                Assert.Fail(ex.ToString());
            }
        }