public function __construct(array $config = array())
 {
     $factory = new FilesystemFactory();
     $basePath = dirname(dirname(dirname(dirname(dirname(__DIR__)))));
     $slot = $config['slot'];
     $this->filesystem = $factory->create($basePath . '/datastorage/' . $slot);
     $this->mapper = new FilesystemMapper($this->filesystem, $slot);
 }
 protected function getFilesystem()
 {
     $factory = new FilesystemFactory();
     return $factory->create('test');
 }