Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in /var/www/html/extensions/SemanticMediaWiki/tests/phpunit/Elastic/QueryEngine/FieldMapperTest.php:16 Stack trace: #0 {main} thrown in /var/www/html/extensions/SemanticMediaWiki/tests/phpunit/Elastic/QueryEngine/FieldMapperTest.php on line 16