MAGETWO-65521: Remove unserialize in \Magento\Framework\DB\Adapter\Pdo\Mysql

- fixing namespace

Author: Igor Melnikov

lib/internal/Magento/Framework/DB/Test/Unit/Adapter/Pdo/MysqlFactoryTest.php

@@ -47,10 +47,10 @@ protected function setUp()
     }
 
     /**
+     * @param array $objectManagerArguments
      * @param array $config
      * @param LoggerInterface|null $logger
      * @param SelectFactory|null $selectFactory
-     * @param array $arguments
      * @dataProvider createDataProvider
      */
     public function testCreate(