Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /var/www/html/composer/vendor/paragonie/random_compat/tests/unit/RandomBytesTest.php:2 Stack trace: #0 {main} thrown in /var/www/html/composer/vendor/paragonie/random_compat/tests/unit/RandomBytesTest.php on line 2