Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/devmindz/public_html/laravel/omondemand/vendor/sebastian/diff/tests/LCS/LongestCommonSubsequenceTest.php:15 Stack trace: #0 {main} thrown in /home/devmindz/public_html/laravel/omondemand/vendor/sebastian/diff/tests/LCS/LongestCommonSubsequenceTest.php on line 15