public void Initialize()
        {
            _project = new VsProjectDouble();
            _project.AddFile("jscrunch.config", null);

            _eventQueue = new EventQueue();

            var fileSystem = Substitute.For <IFileSystem>();

            fileSystem
            .GetContentsOf(Arg.Any <string>())
            .Returns("<?xml version=\"1.0\"?><jscrunch><tests root=\"Tests\" pattern=\".*\\.Tests\\.ts\" /></jscrunch>");

            _listener = new DiscoverTestsListener(_eventQueue, fileSystem);
        }