Fatal error: Uncaught Error: Class 'Symfony\Component\HttpFoundation\Tests\Session\Storage\Handler\AbstractRedisSessionHandlerTestCase' not found in /home/noct-c/www/tanakahashi/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/PredisSessionHandlerTest.php:16 Stack trace: #0 {main} thrown in /home/noct-c/www/tanakahashi/vendor/symfony/http-foundation/Tests/Session/Storage/Handler/PredisSessionHandlerTest.php on line 16