Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/polishdeid/sites/wilotour.pl/releases/6/vendor/glushkovds/php-smpp/src/Tests/SendSMSTest.php:5 Stack trace: #0 {main} thrown in /home/polishdeid/sites/wilotour.pl/releases/6/vendor/glushkovds/php-smpp/src/Tests/SendSMSTest.php on line 5