Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /var/www/up.svetomaniya.ru/vendor/yoomoney/yookassa-sdk-php/tests/Request/Payments/CreatePaymentRequestSerializerTest.php:36 Stack trace: #0 {main} thrown in /var/www/up.svetomaniya.ru/vendor/yoomoney/yookassa-sdk-php/tests/Request/Payments/CreatePaymentRequestSerializerTest.php on line 36