<PackageReference Include="NUnit" Version="3.7.0" />

NonParallelizableAttribute

ParallelizableAttribute is used to mark tests that may be run in parallel.
using System; namespace NUnit.Framework { [AttributeUsage(AttributeTargets.Assembly | AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = false, Inherited = true)] public sealed class NonParallelizableAttribute : ParallelizableAttribute { public NonParallelizableAttribute() : base(ParallelScope.None) { } } }