Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /Applications/XAMPP/xamppfiles/htdocs/Project_April/selling-partner-api-main/test/AuthorizationSignerTest.php:11
Stack trace:
#0 {main}
thrown in /Applications/XAMPP/xamppfiles/htdocs/Project_April/selling-partner-api-main/test/AuthorizationSignerTest.php on line 11