ServiceStack AppHost Running in it's own AppDomain for Tests

ServiceStackIsolatedAppHostTest.cs

using System;
using ServiceStack;
using System.Runtime.Remoting;
using NUnit.Framework;

namespace MyApp.Tests
{
	public class AppHost : AppSelfHostBase
	{
		public AppHost(): base("My ServiceStack Service", typeof(AppHost).Assembly)
		{
		}

		public override void Configure(Funq.Container container)
		{
			container.Register<MyTest>(c => new MyTest());
		}
	}

	public class MyTest
	{
		public string Name { get { return "Hello"; } }
	}

	public class IsolatedAppHost : MarshalByRefObject
	{
		readonly AppHost Host;

		public IsolatedAppHost()
		{
			// Start your HttpTestableAppHost here
			Host = new AppHost();
			Host.Init();
			Host.Start("http://*:8090/");
			Console.WriteLine("ServiceStack is running in AppDomain '{0}'", AppDomain.CurrentDomain.FriendlyName);
		}

		public void RunTest(Action<AppHost> test)
		{
			test.Invoke(Host);
		}

		public void Teardown()
		{
			if(Host != null)
			{
				Console.WriteLine("Shutting down ServiceStack host");
				if(Host.HasStarted)
					Host.Stop();
				Host.Dispose();
			}
		}
	}

	[TestFixture]
	public class Test
	{
		AppDomain ServiceStackAppDomain;
		IsolatedAppHost IsolatedAppHost;

		[TestFixtureSetUp]
		public void TestFixtureSetup()
		{
			// Get the assembly of our host
			var assemblyName = typeof(IsolatedAppHost).Assembly.GetName();
			ServiceStackAppDomain = AppDomain.CreateDomain("ServiceStackAppDomain");
			ServiceStackAppDomain.Load(assemblyName);
			var handle = ServiceStackAppDomain.CreateInstance(assemblyName.FullName, "MyApp.Tests.IsolatedAppHost");
			IsolatedAppHost = (IsolatedAppHost)handle.Unwrap();
		}

		[TestFixtureTearDown]
		public void TestFixtureTearDown()
		{
			// Tell ServiceStack to stop the host
			IsolatedAppHost.Teardown();

			// Shutdown the ServiceStack application
			AppDomain.Unload(ServiceStackAppDomain);
			ServiceStackAppDomain = null;
		}

		[Test]
		public void TestWillPass()
		{
			IsolatedAppHost.RunTest(appHost => {
				var t = appHost.TryResolve<MyTest>();
				Assert.That(t.Name, Is.EqualTo("Hello"));
			});
		}

		[Test]
		public void TestWillFail()
		{
			IsolatedAppHost.RunTest(appHost => {
				var t = appHost.TryResolve<MyTest>();
				Assert.That(t.Name, Is.EqualTo("World"));
			});
		}
	}
}

Hi, Is this the only approach to run an integration test to a servicestack endpoint without getting the instance exception?