Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/admin2bannerworl/public_html/admin2.bannerworld.co.uk/vendor-old/sebastian/diff/tests/Output/Integration/UnifiedDiffOutputBuilderIntegrationTest.php:25 Stack trace: #0 {main} thrown in /home/admin2bannerworl/public_html/admin2.bannerworld.co.uk/vendor-old/sebastian/diff/tests/Output/Integration/UnifiedDiffOutputBuilderIntegrationTest.php on line 25