Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in /var/www/html/goe/vendor/psy/psysh/test/Psy/Test/Util/StrTest.php:16 Stack trace: #0 {main} thrown in /var/www/html/goe/vendor/psy/psysh/test/Psy/Test/Util/StrTest.php on line 16