Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/alotaishan/public_html/ots001/vendor/squizlabs/php_codesniffer/tests/Core/Fixer/GenerateDiffTest.php:25 Stack trace: #0 {main} thrown in /home/alotaishan/public_html/ots001/vendor/squizlabs/php_codesniffer/tests/Core/Fixer/GenerateDiffTest.php on line 25