Fatal error: Uncaught Error: Class "JMS\Serializer\Tests\Metadata\Driver\BaseDriverTest" not found in /home/kiwakim/stock/vendor/jms/serializer/tests/Metadata/Driver/YamlDriverTest.php:9 Stack trace: #0 {main} thrown in /home/kiwakim/stock/vendor/jms/serializer/tests/Metadata/Driver/YamlDriverTest.php on line 9