public async Task When_serializing_workflow_instance_then_deserialization_should_work()
{
//// Arrange
var workflow = Given_a_workflow_with_three_serial_empty_activities();
var instance = workflow.CreateInstance();
//// Act
var activity = instance.CurrentActivities.First();
var result = await instance.CompleteAsync(activity);
var instanceXml = instance.ToXml();
var instance2 = WorkflowInstance.FromXml(instanceXml, workflow);
var instanceXml2 = instance2.ToXml();
//// Assert
Assert.AreEqual(instanceXml, instanceXml2);
}