Fatal error: Uncaught Error: Class "PHPUnit_Framework_TestCase" not found in /var/www/html/goe/vendor/sebastian/code-unit-reverse-lookup/tests/WizardTest.php:16 Stack trace: #0 {main} thrown in /var/www/html/goe/vendor/sebastian/code-unit-reverse-lookup/tests/WizardTest.php on line 16