TimeLocker.Locktimer.GetRemainingTime C# (CSharp) Method

        public TimeSpan GetRemainingTime()
        {
            if (_timeController.RemainingTimeToLock < Properties.Settings.Default.MaxAllowedTime)
                return _timeController.RemainingTimeToLock;
            else
                return _timeController.RemainingTimeToLock - Properties.Settings.Default.MaxAllowedTime;
        }

        public void RemainingTimeIsChanging()
        {
            var windowsLocker = new WindowsLocker();
            var locktimer = new Locktimer(windowsLocker);

            var firstRemainingTime = locktimer.GetRemainingTime();
            Thread.Sleep(3000);
            var secondRemainingTime = locktimer.GetRemainingTime();

            Assert.AreNotEqual(firstRemainingTime, secondRemainingTime);
        }