Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/app/htdocs/message_gateway_20231016/vendor/phpunit/phpunit-mock-objects/tests/MockObject/Invocation/ObjectTest.php:2 Stack trace: #0 {main} thrown in /home/app/htdocs/message_gateway_20231016/vendor/phpunit/phpunit-mock-objects/tests/MockObject/Invocation/ObjectTest.php on line 2