public void DateTimeOffsetToUnixTimeStamp_Should_ReturnUnixTimeStamp()
{
var referenceDate = new DateTimeOffset(1970, 2, 2, 21, 30, 0, TimeSpan.FromMinutes(-150));
var actual = ConversionUtilities.DateTimeOffsetToUnixTimeStamp(referenceDate);
actual.Should().Be(60 * 60 * 24 * 33);
}