public void ShrinkEndToTest()
{
TimeRange timeRange = new TimeRange( start, end );
timeRange.ShrinkEndTo( end.AddMilliseconds( 1 ) );
Assert.AreEqual( timeRange.End, end );
timeRange.ShrinkEndTo( end.AddMinutes( -1 ) );
Assert.AreEqual( timeRange.End, end.AddMinutes( -1 ) );
}