Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /var/www/html/stz-api/vendor/scrivo/highlight.php/test/HighlightUtilitiesTest.php:30 Stack trace: #0 {main} thrown in /var/www/html/stz-api/vendor/scrivo/highlight.php/test/HighlightUtilitiesTest.php on line 30