Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/app/htdocs/message_gateway_20231016/vendor/symfony/var-dumper/Tests/Caster/CasterTest.php:21
Stack trace:
#0 {main}
thrown in /home/app/htdocs/message_gateway_20231016/vendor/symfony/var-dumper/Tests/Caster/CasterTest.php on line 21