Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/neondra/www/vendor/laravel/framework/tests/Validation/ValidationUniqueRuleTest.php:15 Stack trace: #0 {main} thrown in /home/neondra/www/vendor/laravel/framework/tests/Validation/ValidationUniqueRuleTest.php on line 15