Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/devgrafix/public_html/roomadmin/vendor/squizlabs/php_codesniffer/tests/Core/Ruleset/RuleInclusionAbsoluteLinuxTest.php:16 Stack trace: #0 {main} thrown in /home/devgrafix/public_html/roomadmin/vendor/squizlabs/php_codesniffer/tests/Core/Ruleset/RuleInclusionAbsoluteLinuxTest.php on line 16