Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in D:\InetPub\vhosts\cmu-online.tech\janndhellemarthzulueta.cmu-online.tech\CLICKSHOP\vendor\laravel\framework\src\Illuminate\Foundation\Testing\TestCase.php:21 Stack trace: #0 {main} thrown in D:\InetPub\vhosts\cmu-online.tech\janndhellemarthzulueta.cmu-online.tech\CLICKSHOP\vendor\laravel\framework\src\Illuminate\Foundation\Testing\TestCase.php on line 21