public static function tearDownAfterClass()
 {
     if (self::$isOneTimeSetup) {
         $tmp = new FunctionalTestBase();
         $tmp->setUp();
         $tmp->safeDeleteContainer('$root');
         self::$isOneTimeSetup = false;
     }
     parent::tearDownAfterClass();
 }
 public static function tearDownAfterClass()
 {
     if (self::$isOneTimeSetup) {
         $inst = new IntegrationTestBase();
         $inst->setUp();
         $inst->deleteContainers(self::$_testContainers, self::$_testContainersPrefix);
         $inst->deleteContainers(self::$_creatableContainers, self::$_createableContainersPrefix);
         self::$isOneTimeSetup = false;
     }
     parent::tearDownAfterClass();
 }