Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/athpfkmy/public_html/resinpro.pl/wp-content/plugins/woocommerce-paypal-payments/vendor/dhii/validation-interface/tests/unit/Exception/ValidationFailedExceptionInterfaceTest.php:13 Stack trace: #0 {main} thrown in /home/athpfkmy/public_html/resinpro.pl/wp-content/plugins/woocommerce-paypal-payments/vendor/dhii/validation-interface/tests/unit/Exception/ValidationFailedExceptionInterfaceTest.php on line 13