public void ExpandStartToTest()
{
TimeInterval timeInterval = new TimeInterval( start, end );
timeInterval.ExpandStartTo( start.AddMilliseconds( 1 ) );
Assert.AreEqual( timeInterval.Start, start );
timeInterval.ExpandStartTo( start.AddMinutes( -1 ) );
Assert.AreEqual( timeInterval.Start, start.AddMinutes( -1 ) );
}