Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/app/htdocs/message_gateway_20231016/vendor/sebastian/comparator/tests/ObjectComparatorTest.php:19 Stack trace: #0 {main} thrown in /home/app/htdocs/message_gateway_20231016/vendor/sebastian/comparator/tests/ObjectComparatorTest.php on line 19