Fatal error: Uncaught Error: Class "Drupal\Tests\contact\Functional\Rest\MessageResourceTestBase" not found in /home/qcsvlel/www/core/modules/contact/tests/src/Functional/Rest/MessageXmlAnonTest.php:13 Stack trace: #0 {main} thrown in /home/qcsvlel/www/core/modules/contact/tests/src/Functional/Rest/MessageXmlAnonTest.php on line 13