Fatal error: Uncaught Error: Class "Drupal\Tests\search\Functional\Rest\SearchPageResourceTestBase" not found in /home/www/drupal8/test/core/modules/search/tests/src/Functional/Rest/SearchPageJsonBasicAuthTest.php:10
Stack trace:
#0 {main}
thrown in /home/www/drupal8/test/core/modules/search/tests/src/Functional/Rest/SearchPageJsonBasicAuthTest.php on line 10