/// <summary>
/// Activates the test that has been set up passing in the given message,
/// setting the incoming headers and the message Id.
/// </summary>
public void OnMessage <TMessage>(string messageId, Action <TMessage> initializeMessage = null)
{
var msg = bus.CreateInstance(initializeMessage);
OnMessage(msg, messageId);
}
/// <summary>
/// Initializes the given message type and checks all the expectations previously set up,
/// and then clears them for continued testing.
/// </summary>
public Saga <T> WhenHandling <TMessage>(Action <TMessage> initializeMessage = null)
{
var msg = bus.CreateInstance(initializeMessage);
return(When(_ => ((dynamic)saga).Handle(msg)));
}