Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/trialog/webhooks/vendor/atdev/rocket-chat/tests/Users/PreferencesTest.php:9 Stack trace: #0 {main} thrown in /home/trialog/webhooks/vendor/atdev/rocket-chat/tests/Users/PreferencesTest.php on line 9