Fatal error: Uncaught Error: Class 'PHPUnit\Framework\Constraint\Constraint' not found in /Users/caiosilva/Sites/Laravel-test/vendor/laravel/framework/src/Illuminate/Testing/Constraints/ArraySubset.php:150 Stack trace: #0 {main} thrown in /Users/caiosilva/Sites/Laravel-test/vendor/laravel/framework/src/Illuminate/Testing/Constraints/ArraySubset.php on line 150