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

LevelOfParallelismAttribute

LevelOfParallelismAttribute 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 LevelOfParallelismAttribute : PropertyAttribute { public LevelOfParallelismAttribute(int level) : base(level) { } } }