Doctrine\ODM\MongoDB\Tests\BaseTest::getConfiguration PHP Method

    protected function getConfiguration()
    {
        $config = new Configuration();
        $config->setProxyDir(__DIR__ . '/../../../../Proxies');
        $config->setProxyNamespace('Proxies');
        $config->setHydratorDir(__DIR__ . '/../../../../Hydrators');
        $config->setHydratorNamespace('Hydrators');
        $config->setPersistentCollectionDir(__DIR__ . '/../../../../PersistentCollections');
        $config->setPersistentCollectionNamespace('PersistentCollections');
        $config->setDefaultDB(DOCTRINE_MONGODB_DATABASE);
        $config->setMetadataDriverImpl($this->createMetadataDriverImpl());
        $config->addFilter('testFilter', 'Doctrine\\ODM\\MongoDB\\Tests\\Query\\Filter\\Filter');
        $config->addFilter('testFilter2', 'Doctrine\\ODM\\MongoDB\\Tests\\Query\\Filter\\Filter');
        return $config;
    }

 protected function getConfiguration()
 {
     if (!isset($this->ql)) {
         $this->ql = new QueryLogger();
     }
     $config = parent::getConfiguration();
     $config->setLoggerCallable($this->ql);
     return $config;
 }