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

NUnit.Framework.Internal.Execution.SimpleWorkItemDispatcher

SimpleWorkItemDispatcher handles execution of WorkItems by directly executing them. It is provided so that a dispatcher is always available in the context, thereby simplifying the code needed to run child tests.
namespace NUnit.Framework.Internal.Execution { public class SimpleWorkItemDispatcher : IWorkItemDispatcher { public int LevelOfParallelism { get; } public void Start(WorkItem topLevelWorkItem); public void Dispatch(WorkItem work); public void CancelRun(bool force); public SimpleWorkItemDispatcher(); } }