Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/app/htdocs/truebits.docker.installations/invoice-crater/docker.app/crater/vendor/psr/log/Psr/Log/Test/LoggerInterfaceTest.php:15 Stack trace: #0 {main} thrown in /home/app/htdocs/truebits.docker.installations/invoice-crater/docker.app/crater/vendor/psr/log/Psr/Log/Test/LoggerInterfaceTest.php on line 15