Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/app/htdocs/message_gateway/vendor/sebastian/code-unit-reverse-lookup/tests/WizardTest.php:18
Stack trace:
#0 {main}
thrown in /home/app/htdocs/message_gateway/vendor/sebastian/code-unit-reverse-lookup/tests/WizardTest.php on line 18