Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/fonafeng/public_html/wp-content/plugins/catfolders/vendor/10quality/php-data-model/tests/cases/CollectionTest.php:14 Stack trace: #0 {main} thrown in /home/fonafeng/public_html/wp-content/plugins/catfolders/vendor/10quality/php-data-model/tests/cases/CollectionTest.php on line 14