private async Task RollbackStep2(ISagaControl control, TestSagaState state, SagaError error)
 {
     Console.WriteLine("Step 2 failed; rolling back.");
 }
 private Task RollbackStep1(ISagaControl control, TestSagaState state, SagaError error)
 {
     Console.WriteLine($"Step 1 failed; Rolling back.");
     return(Task.CompletedTask);
 }