Fatal error: Uncaught Error: Class "Plank\Mediable\Tests\TestCase" not found in /home/crmcodingobjects/public_html/vendor/plank/laravel-mediable/tests/Integration/SourceAdapters/SourceAdapterTest.php:18 Stack trace: #0 {main} thrown in /home/crmcodingobjects/public_html/vendor/plank/laravel-mediable/tests/Integration/SourceAdapters/SourceAdapterTest.php on line 18