Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/pubconcom/public_html/wp-content/plugins/wc-multivendor-marketplace/includes/wirecard/vendor/moip/moip-sdk-php/tests/TestCase.php:16 Stack trace: #0 {main} thrown in /home/pubconcom/public_html/wp-content/plugins/wc-multivendor-marketplace/includes/wirecard/vendor/moip/moip-sdk-php/tests/TestCase.php on line 16