Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/magento/html/app/code/Aheadworks/Blog/Test/Unit/Block/Adminhtml/Post/Edit/Button/SaveAsDraftTest.php:25 Stack trace: #0 {main} thrown in /var/www/magento/html/app/code/Aheadworks/Blog/Test/Unit/Block/Adminhtml/Post/Edit/Button/SaveAsDraftTest.php on line 25