Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /var/www/html/RIE/vendor/sendinblue/api-v3-sdk/test/Model/GetChildInfoApiKeysV3Test.php:41 Stack trace: #0 {main} thrown in /var/www/html/RIE/vendor/sendinblue/api-v3-sdk/test/Model/GetChildInfoApiKeysV3Test.php on line 41