Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in D:\xampp\htdocs\pimcore\my-project\vendor\symfony-cmf\routing\tests\Unit\Candidates\CandidatesTest.php:18 Stack trace: #0 {main} thrown in D:\xampp\htdocs\pimcore\my-project\vendor\symfony-cmf\routing\tests\Unit\Candidates\CandidatesTest.php on line 18