Fatal error: Uncaught Error: Class "MediaWiki\Tests\Api\ApiTestCase" not found in C:\xampp\htdocs\extensions\TemplateData\tests\phpunit\TemplateDataApiTest.php:10 Stack trace: #0 {main} thrown in C:\xampp\htdocs\extensions\TemplateData\tests\phpunit\TemplateDataApiTest.php on line 10