Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/live/demo10.thesynergate.com/click_api/vendor/laravel/framework/src/Illuminate/Foundation/Testing/TestCase.php:21 Stack trace: #0 {main} thrown in /var/www/live/demo10.thesynergate.com/click_api/vendor/laravel/framework/src/Illuminate/Foundation/Testing/TestCase.php on line 21