Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in C:\xampp\htdocs\print-bk\vendor\symfony\translation\Tests\PluralizationRulesTest.php:32 Stack trace: #0 {main} thrown in C:\xampp\htdocs\print-bk\vendor\symfony\translation\Tests\PluralizationRulesTest.php on line 32