Fatal error: Uncaught Error: Class "MediaWikiUnitTestCase" not found in /var/www/html/orian-wiki/extensions/Echo/tests/phpunit/unit/Mapper/AbstractMapperTest.php:8
Stack trace:
#0 {main}
thrown in /var/www/html/orian-wiki/extensions/Echo/tests/phpunit/unit/Mapper/AbstractMapperTest.php on line 8