Fatal error: Uncaught Error: Class "Wikibase\Repo\Tests\Dumpers\DumpGeneratorTestBase" not found in /var/www/html/w/extensions/Wikibase/repo/tests/phpunit/includes/Dumpers/JsonDumpGeneratorTest.php:39 Stack trace: #0 {main} thrown in /var/www/html/w/extensions/Wikibase/repo/tests/phpunit/includes/Dumpers/JsonDumpGeneratorTest.php on line 39