/// <summary>
 /// Constructor that can be used for tests
 /// </summary>
 /// <param name="configSection"></param>
 public FileSystemProviderManager(IFileSystemProvidersSection configSection)
 {
     if (configSection == null)
     {
         throw new ArgumentNullException("configSection");
     }
     _config = configSection;
     CreateWellKnownFileSystems();
 }
 /// <summary>
 /// Default constructor that will read the config from the locally found config section
 /// </summary>
 public FileSystemProviderManager()
 {
     _config = (FileSystemProvidersSection)ConfigurationManager.GetSection("umbracoConfiguration/FileSystemProviders");
     CreateWellKnownFileSystems();
 }