public void CheckFromGetValues()
{
Weekday[] weekdays = Weekday.GetAll();
Assert.Collection(weekdays,
day => Assert.Equal("Monday", day.Value),
day => Assert.Equal("Tuesday", day.Value),
day => Assert.Equal("Wednesday", day.Value),
day => Assert.Equal("Thursday", day.Value),
day => Assert.Equal("Friday", day.Value),
day => Assert.Equal("Saturday", day.Value),
day => Assert.Equal("Sunday", day.Value)
);
}