Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/admin2bannerworl/public_html/admin2.bannerworld.co.uk/vendor-old/sebastian/environment/tests/RuntimeTest.php:17
Stack trace:
#0 {main}
thrown in /home/admin2bannerworl/public_html/admin2.bannerworld.co.uk/vendor-old/sebastian/environment/tests/RuntimeTest.php on line 17