Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/admin/public_html/demo.admin.smartera.co.in/vendor/unisharp/laravel-filemanager/tests/LfmUploadValidatorTest.php:21 Stack trace: #0 {main} thrown in /home/admin/public_html/demo.admin.smartera.co.in/vendor/unisharp/laravel-filemanager/tests/LfmUploadValidatorTest.php on line 21