<PackageReference Include="NUnit" Version="3.0.0-alpha-3" />

LevelOfParallelizationAttribute

LevelOfParallelizationAttribute is used to set the number of worker threads that may be allocated by the framework for running tests.
using System; namespace NUnit.Framework { [AttributeUsage(AttributeTargets.Assembly, AllowMultiple = false, Inherited = false)] public sealed class LevelOfParallelizationAttribute : PropertyAttribute { public LevelOfParallelizationAttribute(int level) : base(level) { } } }