Merge pull request #181 from maguilar92/hotfix/old_factory_subpackage

Check first laravel 8 factory

src/Tools/Utils.php

@@ -145,7 +145,7 @@ class Utils
 
     public static function getModelFactory(string $modelName, array $states = [])
     {
-        if (!function_exists('factory')) { // Laravel 8 type factory
+        if (method_exists($modelName, 'factory')) { // Laravel 8 type factory
             $factory = call_user_func_array([$modelName, 'factory'], []);
             if (count($states)) {
                 foreach ($states as $state) {