public void TesGetInt32WithIsDBNullCheck()
{
var reader = new ListDataReader <Student>(_Students);
reader.Read();
var col = "ClassNumber";
Assert.Equal(2, reader.GetInt32WithNull(col).Value);
reader.Read();
Assert.False(reader.GetInt32WithNull(col).HasValue);
reader.Read();
Assert.Equal(3, reader.GetInt32WithNull(col).Value);
}