Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/lcanetwork/public_html/qr/vendor/yoomoney/yookassa-sdk-php/tests/Model/PaymentTest.php:21 Stack trace: #0 {main} thrown in /home/lcanetwork/public_html/qr/vendor/yoomoney/yookassa-sdk-php/tests/Model/PaymentTest.php on line 21