<PackageReference Include="NUnit" Version="4.2.2" />

NUnit.Framework.Interfaces.TestAttachment

public class TestAttachment
The TestAttachment class represents a file attached to a TestResult, with an optional description.
namespace NUnit.Framework.Interfaces { public class TestAttachment { public string FilePath { get; } public string Description { get; } public TestAttachment(string filePath, string description); } }