Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/noct-c/www/tanakahashi/vendor/sebastian/comparator/tests/ObjectComparatorTest.php:22 Stack trace: #0 {main} thrown in /home/noct-c/www/tanakahashi/vendor/sebastian/comparator/tests/ObjectComparatorTest.php on line 22