Fatal error: Uncaught Error: Class "Drupal\Tests\content_translation\Functional\ContentTranslationTestBase" not found in /home/qcsvlel/www/core/modules/layout_builder/tests/src/Functional/LayoutBuilderTranslationTest.php:16 Stack trace: #0 {main} thrown in /home/qcsvlel/www/core/modules/layout_builder/tests/src/Functional/LayoutBuilderTranslationTest.php on line 16