Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/marcelnet/public_html/sipro/vendor/sebastian/comparator/tests/MockObjectComparatorTest.php:23 Stack trace: #0 {main} thrown in /home/marcelnet/public_html/sipro/vendor/sebastian/comparator/tests/MockObjectComparatorTest.php on line 23