Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/afg-594689/krupa-prosto.ru/docs/vendor/sebastian/diff/tests/LineTest.php:18 Stack trace: #0 {main} thrown in /home/afg-594689/krupa-prosto.ru/docs/vendor/sebastian/diff/tests/LineTest.php on line 18