public void TestResetSpeakerTime()
{
var instance = new ListOfSpeakersViewModel();
instance.SpeakerTime = new TimeSpan(0, 0, 30);
instance.AddSpeaker("Speaker 1");
instance.NextSpeaker();
instance.ResumeSpeaker();
instance.AddSpeakerSeconds(-10);
Assert.IsTrue(instance.RemainingSpeakerTime.TotalSeconds <= 20);
instance.ResetSpeakerTime();
Assert.AreEqual(30, instance.RemainingSpeakerTime.TotalSeconds, 0.5);
}