Fatal error: Uncaught Error: Class "SMW\MediaWiki\ExtendedDateTime" not found in /var/www/html/w/extensions/SemanticMediaWiki/tests/phpunit/Integration/JSONScript/ReadmeContentsBuilder.php:54 Stack trace: #0 /var/www/html/w/extensions/SemanticMediaWiki/tests/phpunit/Integration/JSONScript/ReadmeContentsBuilder.php(39): SMW\Tests\Integration\JSONScript\ReadmeContentsBuilder->doGenerateContentFor('List of tests', '/var/www/html/w...') #1 /var/www/html/w/extensions/SemanticMediaWiki/tests/phpunit/Integration/JSONScript/ReadmeContentsBuilder.php(115): SMW\Tests\Integration\JSONScript\ReadmeContentsBuilder->run() #2 {main} thrown in /var/www/html/w/extensions/SemanticMediaWiki/tests/phpunit/Integration/JSONScript/ReadmeContentsBuilder.php on line 54