public void MoveTest()
{
SchoolDay schoolDay = new SchoolDay();
DateTime startDate = schoolDay.Start;
DateTime endDate = schoolDay.End;
TimeSpan startDuration = schoolDay.Duration;
TimeSpan duration = Duration.Hour;
schoolDay.Move(duration);
Assert.Equal <DateTime>(schoolDay.Start, startDate.Add(duration));
Assert.Equal <DateTime>(schoolDay.End, endDate.Add(duration));
Assert.Equal <TimeSpan>(schoolDay.Duration, startDuration);
} // MoveTest
