Fatal error: Uncaught Error: Class "JMS\Serializer\Tests\Handler\LazyHandlerRegistryTest" not found in /home/kiwakim/stock/vendor/jms/serializer/tests/Handler/LazyHandlerRegistryWithPsr11ContainerTest.php:7 Stack trace: #0 {main} thrown in /home/kiwakim/stock/vendor/jms/serializer/tests/Handler/LazyHandlerRegistryWithPsr11ContainerTest.php on line 7