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

NUnit.Framework.Internal.ContextUtils

static class ContextUtils
namespace NUnit.Framework.Internal { internal static class ContextUtils { public static void DoIsolated(Action action); public static T DoIsolated<[System.Runtime.CompilerServices.Nullable(2)] T>(Func<T> func); public static void DoIsolated(ContextCallback callback, object state); } }