Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/kubalos2/public_html/testtestowy/vendor/sebastian/diff/tests/LongestCommonSubsequenceTest.php:18
Stack trace:
#0 {main}
thrown in /home/kubalos2/public_html/testtestowy/vendor/sebastian/diff/tests/LongestCommonSubsequenceTest.php on line 18