public void DateTimeWithHoursMinutesAndSeconds_10DaysAfter_Returns10DaysAfterGivenDate()
{
var givenDate = new DateTime(2012, 12, 13, 1, 2, 3);
var timeSpanTenDays = new TimeSpan(10, 0, 0, 0);
DateTime actual = timeSpanTenDays.After(givenDate);
var expected = new DateTime(2012, 12, 23, 1, 2, 3);
Assert.Equal(expected, actual);
}
