DI() Resolver for Akka.NET Testing

TestDependencyResolver.cs

public class TestDependencyResolver : IDependencyResolver
{
  private readonly Dictionary<Type, Props> _registrations = new Dictionary<Type, Props>();

  public void Register<T>(Props instance)
  {
      _registrations.Add(typeof(T), instance);
  }

  public Type GetType(string actorName)
  {
      throw new NotImplementedException();
  }

  public Func<ActorBase> CreateActorFactory(Type actorType)
  {
      return () => Create(actorType).NewActor();
  }

  public Props Create<TActor>() where TActor : ActorBase
  {
      return _registrations[typeof (TActor)];
  }

  public Props Create(Type actorType)
  {
      return _registrations[actorType];
  }

  public void Release(ActorBase actor)
  {
  }
}

TestingWithDependencies.cs

public class TestingWithDependencies : TestKit
{
  public TestingWithDependencies()
  {
    var dependencyResolver = new TestDependencyResolver();

    dependencyResolver.Register<MyActor>(Props.Create<MyActor>());

    Sys.AddDependencyResolver(dependencyResolver);
  }
}