<PackageReference Include="NUnit" Version="3.2.0" />

ILogger

public interface ILogger
Interface for logging within the engine
namespace NUnit.Framework.Internal { public interface ILogger { void Error(string message); void Error(string message, params object[] args); void Warning(string message); void Warning(string message, params object[] args); void Info(string message); void Info(string message, params object[] args); void Debug(string message); void Debug(string message, params object[] args); } }