Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/b2bwebnexxonro/digital-be/vendor/capcom6/android-sms-gateway/tests/ClientTest.php:23 Stack trace: #0 {main} thrown in /home/b2bwebnexxonro/digital-be/vendor/capcom6/android-sms-gateway/tests/ClientTest.php on line 23