Test for problem with ServicesStack's ResourceVirtualDirectory

EmbeddedResourceVirtualPathDirectoryTests.cs

using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using Funq;
using NUnit.Framework;
using ServiceStack.IO;
using ServiceStack.VirtualPath;

namespace ServiceStack.Common.Tests.VirtualPathProvider
{
    [TestFixture]
    class EmbeddedResourceVirtualPathDirectoryTests
    {
        [Test]
        public void WithAnEmbeddedResource_ShouldBeAbleToFindItInVirtualDirectoryWalk()
        {
            var thisAssembly = GetType().Assembly;
            var appHost = new FakeAppHost("fake", thisAssembly);
            var directory = new ResourceVirtualDirectory(new InMemoryVirtualPathProvider(appHost), null, GetType().Assembly);

            var resourceFiles = WalkForFiles(directory).ToList();
            Assert.IsNotEmpty(resourceFiles);
            Assert.Contains("/VirtualPathProvider/ResourceFile.txt", resourceFiles);
        }

        private IEnumerable<string> WalkForFiles(IVirtualDirectory resourceVirtualDirectory)
        {
            return resourceVirtualDirectory.Directories.SelectMany(WalkForFiles)
                .Concat(resourceVirtualDirectory.Files.Select(f => f.VirtualPath));
            
        }

        class FakeAppHost : AppHostBase
        {
            public FakeAppHost(string serviceName, params Assembly[] assembliesWithServices)
                : base(serviceName, assembliesWithServices)
            {
            }

            public override void Configure(Container container)
            {
            }
        }
    }
}

Instructons

Add the ResourceFile.txt to the test project, set compiling action to "Embedded Resource".
Add the test and run it. It should fail.

ResourceFile.txt

this file left empty on purpose