Temporary solution which allow to call method on entity with 1 parameter

* this will be solved later with arbitrary number of parameters

src/Faker/ORM/Doctrine/EntityPopulator.php

@@ -94,9 +94,13 @@ class EntityPopulator
         foreach ($this->columnFormatters as $field => $format) {
             if (null !== $format) {
                 $value = is_callable($format) ? $format($insertedEntities, $obj) : $format;
+                if (is_callable(array($obj, $field))) {
+                    $obj->$field($value);
+                } else {
                     $this->class->reflFields[$field]->setValue($obj, $value);
                 }
             }
+        }
 
         $manager->persist($obj);