Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /var/www/dev/public/vendor/debuss-a/mtomsoapclient/tests/MTOMSoapClientTest.php:8 Stack trace: #0 {main} thrown in /var/www/dev/public/vendor/debuss-a/mtomsoapclient/tests/MTOMSoapClientTest.php on line 8