private void VerifyNewestPhoneMatchesExpected(IEnumerable <IPhoneDeviceInfo> phones, IPhoneDeviceInfo newestExpected)
        {
            PhoneSelector_Accessor selector     = GetSelector(phones);
            IPhoneDeviceInfo       newestActual = selector.GetMostRecentlySyncedDeviceInfo();

            Assert.AreEqual(newestExpected, newestActual);
        }