Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in /lamp/www/quantix/vendor/paragonie/random_compat/tests/unit/UtilityTest.php:2 Stack trace: #0 {main} thrown in /lamp/www/quantix/vendor/paragonie/random_compat/tests/unit/UtilityTest.php on line 2