Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in E:\install\laragon\www\extranet_gpharma_demo\vendor\laravel\framework\tests\Testing\Fluent\AssertTest.php:13 Stack trace: #0 {main} thrown in E:\install\laragon\www\extranet_gpharma_demo\vendor\laravel\framework\tests\Testing\Fluent\AssertTest.php on line 13