Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/worldsch/public_html/knowledgesharepoint.in/testutil/vendor/laravel/framework/src/Illuminate/Foundation/Testing/TestCase.php:9 Stack trace: #0 {main} thrown in /home/worldsch/public_html/knowledgesharepoint.in/testutil/vendor/laravel/framework/src/Illuminate/Foundation/Testing/TestCase.php on line 9