Fatal error: Uncaught Error: Class "Drupal\FunctionalTests\Asset\AssetOptimizationTest" not found in /home/qcsvlel/www/core/tests/Drupal/FunctionalTests/Asset/AssetOptimizationUmamiTest.php:17 Stack trace: #0 {main} thrown in /home/qcsvlel/www/core/tests/Drupal/FunctionalTests/Asset/AssetOptimizationUmamiTest.php on line 17