public void Return_Ticket_When_Seats_Available()
{
var oneseatcabinet = new Cabinet(1);
var twoseatscabinet = new Cabinet(2);
List<Cabinet> cabinets = new List<Cabinet> { oneseatcabinet, twoseatscabinet };
var robot = new SmartRobot(cabinets);
var ticket = robot.Store(new Bag());
Assert.IsNotNull(ticket);
Assert.IsFalse(oneseatcabinet.IsFull());
}