public void TransponderReceiver_DetachATMwithoutAttachingIt_observersCountIs0()
{
var receiver = TransponderReceiverFactory.CreateTransponderDataReceiver();
var system = new ATM.TransponderReceiver(receiver);
system.Detach(uut);
Assert.That(() => system.getObserverCount().Equals(0));
}
public void TransponderReceiver_AttachATMthenDetach_observersCountIs0()
{
var receiver = TransponderReceiverFactory.CreateTransponderDataReceiver();
var system = new ATM.TransponderReceiver(receiver, consoleOutput);
system.Attach(uut);
system.Detach(uut);
Assert.That(() => system.getObserverCount().Equals(0));
}