Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in C:\xampp\htdocs\leechers\bot\vendor\telegram-bot\api\tests\ClientTest.php:13 Stack trace: #0 {main} thrown in C:\xampp\htdocs\leechers\bot\vendor\telegram-bot\api\tests\ClientTest.php on line 13