NancyFx Root Path Provider for Tests

public class TestRootPathProvider : IRootPathProvider
    {
        private static string _cachedRootPath;

        public string GetRootPath()
        {
            //return @"C:\Applications\51\DeliveryDateCalculator\StandAndDeliver\Views\Home\";
            if (!string.IsNullOrEmpty(_cachedRootPath))
                return _cachedRootPath;

            var currentDirectory = new DirectoryInfo(Environment.CurrentDirectory);

            bool rootPathFound = false;
            while (!rootPathFound)
            {
                var directoriesContainingViewFolder = currentDirectory.GetDirectories(
                          "Views", SearchOption.AllDirectories);
                if (directoriesContainingViewFolder.Any())
                {
                    _cachedRootPath = directoriesContainingViewFolder.First().FullName;
                    rootPathFound = true;
                }

                currentDirectory = currentDirectory.Parent;
            }

            return _cachedRootPath;
        }
    }