public static function setUpBeforeClass()
 {
     self::$client = static::createClient();
     self::$container = self::$client->getContainer();
     self::$hasDefinitions = self::$container->hasParameter('featureTypes');
     self::$definitions = self::$hasDefinitions ? self::$container->getParameter('featureTypes') : array();
     if (!self::$hasDefinitions) {
         self::markTestSkipped("No feature declaration found");
         return;
     }
     self::$featureType = self::$container->get('features')->get(key(self::$definitions));
     self::$fieldName = current(self::$featureType->getFields());
 }