Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/app/htdocs/message_gateway/vendor/symfony/console/Tests/Descriptor/AbstractDescriptorTest.php:22
Stack trace:
#0 {main}
thrown in /home/app/htdocs/message_gateway/vendor/symfony/console/Tests/Descriptor/AbstractDescriptorTest.php on line 22