Fatal error: Uncaught Error: Class "Symfony\Bundle\FrameworkBundle\Test\KernelTestCase" not found in /home/flighto/e-commerce/vendor/sylius/grid-bundle/src/Bundle/Tests/SyliusGridBundleTest.php:21 Stack trace: #0 {main} thrown in /home/flighto/e-commerce/vendor/sylius/grid-bundle/src/Bundle/Tests/SyliusGridBundleTest.php on line 21