dd.cs

internal class QueryTest
{
    public readonly string Name;
    public readonly string Arguments;
    public readonly IEnumerable<string> Fields;

    public QueryTest(string name, string arguments, IEnumerable<string> fields)
    {
        this.Name = name;
        this.Arguments = arguments;
        this.Fields = fields;
    }

    public override string ToString() => 
        $"{{{this.Name}{this.Arguments}{{{string.Join(' ', this.Fields)}}}}}";
}