CsvHelper vs Sep in the land of bad CSVs

Comparison.cs

namespace CSVHelperVsSep;

public class Comparison
{
    public string? Original;
    public string? Sep;
    public string? CsvHelper;
}

forTest.csv

a,True
"",True
"""",True
"""""",True
"a",True
"a""a",True
"a""a""a",True
a""a,False
a"a"a,False
 "" ,False
 "a" ,False
 "",False
 "a",False
a"""a,False
"a"a"a",False
"" ,False
"a" ,False
"a"""a,False
"a"""a",False
""a",False
"a"a",False
""a"a"",False
""",False
""""",False

Program.cs

using System.Globalization;
using CsvHelper;
using CsvHelper.Configuration;
using CSVHelperVsSep;
using nietras.SeparatedValues;

const string testFile = "./forTest.csv";
var testString = File.ReadAllText(testFile);
var split = testString.Split('\n').Select(x => x.Split(',').First());
var comparisons = split.Where(s => !string.IsNullOrWhiteSpace(s)).Select(s => new Comparison { Original = s }).ToList();

using var reader = new StringReader(testString);
var configuration = new CsvConfiguration(CultureInfo.InvariantCulture)
{
    Mode = CsvMode.NoEscape,
    HasHeaderRecord = false
};

using var csvHelper = new CsvReader(reader, configuration);
var index = 0;
Console.WriteLine("CSVHelper");
while (csvHelper.Read())
{
    comparisons[index].CsvHelper = csvHelper.GetField(0);
    Console.WriteLine($"{index}: `{comparisons[index].Original}` - `{comparisons[index].CsvHelper}` - {(comparisons[index].Original.Equals(comparisons[index].CsvHelper) ? "Pass" : "Fail")}");
    index++;
}

index = 0;
Console.WriteLine("Sep");
try
{
    using var sep = Sep.Reader(o => o with { HasHeader = false, Unescape = true, CultureInfo = CultureInfo.InvariantCulture}).FromText(testString);
    foreach (var readRow in sep)
    {
        comparisons[index].Sep = readRow[0].ToString();
        Console.WriteLine(
            $"{index}: `{comparisons[index].Original}` - `{comparisons[index].Sep}` - {(comparisons[index].Original.Equals(comparisons[index].Sep) ? "Pass" : "Fail")}");
        index++;
    }
}
catch (Exception ex)
{
    Console.WriteLine($"Failed at index {index}: {ex.Message}");
}