Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/wasebauc/mail.waserver360.host/vendor/ems-api/php-client/test/Base.php:12 Stack trace: #0 {main} thrown in /home/wasebauc/mail.waserver360.host/vendor/ems-api/php-client/test/Base.php on line 12