Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/mapeador/solecov2/w/extensions/SemanticMediaWiki/tests/phpunit/ClassAliasTest.php:18 Stack trace: #0 {main} thrown in /home/mapeador/solecov2/w/extensions/SemanticMediaWiki/tests/phpunit/ClassAliasTest.php on line 18