Fatal error: Uncaught Error: Class "TestCase" not found in /home/kibrisotoilan/public_html/vendor/anomaly/html_block-extension/tests/Feature/HtmlBlockExtensionTest.php:3 Stack trace: #0 {main} thrown in /home/kibrisotoilan/public_html/vendor/anomaly/html_block-extension/tests/Feature/HtmlBlockExtensionTest.php on line 3