public void Should_convert_nullable_int_values_from_db()
{
DbFieldConversionUtils.Convert<int?>(123).Should().Be.EqualTo(123);
DbFieldConversionUtils.Convert<int?>(0).Should().Be.EqualTo(0);
DbFieldConversionUtils.Convert<int?>(DBNull.Value).Should().Not.Have.Value();
DbFieldConversionUtils.Convert<int?>(null).Should().Not.Have.Value();
}