public void PropertyChanged()
        {
            var sent = new PropertyChangedEventArgs("Status");
            PropertyChangedEventArgs received = null;

            using (var channel = new IntelChannel()) {
                channel.PropertyChanged += (sender, e) => {
                    Assert.IsNull(received, "PropertyChanged was raised multiple times.");
                    Assert.AreEqual(channel, sender);
                    received = e;
                };
                channel.OnPropertyChanged(sent);
                Thread.Sleep(10);
            }

            Assert.AreEqual(sent, received);
        }