Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/app/htdocs/ninja/vendor/paragonie/constant_time_encoding/tests/Base64UrlSafeTest.php:9
Stack trace:
#0 {main}
thrown in /home/app/htdocs/ninja/vendor/paragonie/constant_time_encoding/tests/Base64UrlSafeTest.php on line 9