Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /var/www/html/vendor/codeception/base/tests/unit/Codeception/Command/BaseCommandRunner.php:6 Stack trace: #0 /var/www/html/vendor/codeception/base/tests/unit/Codeception/Command/GenerateGroupTest.php(2): require_once() #1 {main} thrown in /var/www/html/vendor/codeception/base/tests/unit/Codeception/Command/BaseCommandRunner.php on line 6