public void ToDateTime_Utc()
{
DateOnly date = new DateOnly(2000, 1, 1);
DateTime expectedDate = new DateTime(2000, 1, 1, 0, 0, 0, DateTimeKind.Utc);
DateTime dateTime1 = date.ToUtcDateTime();
DateTime dateTime2 = date.ToDateTime(DateTimeKind.Utc);
Assert.Equal(expectedDate, dateTime1);
Assert.Equal(expectedDate, dateTime2);
}