Fatal error: Uncaught Error: Class "JMS\Serializer\Tests\Serializer\BaseSerializationTest" not found in /home/kiwakim/stock/vendor/jms/serializer/tests/Serializer/JsonSerializationTest.php:18 Stack trace: #0 {main} thrown in /home/kiwakim/stock/vendor/jms/serializer/tests/Serializer/JsonSerializationTest.php on line 18