public void TaskShouldBeStartedThenStopped()
{
var task = mokeData.GetUserTaskList(Guid.Empty).First();
var command = new StartCommand(task);
command.Execute();
Assert.That(task.State, Is.EqualTo(TaskState.Started));
command.Undo();
Assert.That(task.State, Is.EqualTo(TaskState.Stopped));
}