Fatal error: Uncaught Error: Interface "PHPUnit\Framework\MockObject\Stub\Stub" not found in /var/www/html/w/extensions/EventBus/tests/phpunit/unit/Redirects/DBKeyLookupStub.php:12 Stack trace: #0 /var/www/html/w/extensions/EventBus/tests/phpunit/unit/Redirects/RedirectTargetLookupTest.php(12): include() #1 {main} thrown in /var/www/html/w/extensions/EventBus/tests/phpunit/unit/Redirects/DBKeyLookupStub.php on line 12