public void changes_to_the_qually_time_properties_raise_the_property_changed_event()
{
var model = new QuallyTimesModel();
var observer = model.CreateObserver();
model.SetTime(1, TimeSpan.FromSeconds(1d));
Assert.True(observer.HasChanged(x => x.Q1));
model.SetTime(2, TimeSpan.FromSeconds(2d));
Assert.True(observer.HasChanged(x => x.Q2));
model.SetTime(3, TimeSpan.FromSeconds(3d));
Assert.True(observer.HasChanged(x => x.Q3));
}