public function widget($args, $instance)
 {
     $instance['products'] = $this->get_products($args, $instance);
     parent::widget($args, $instance);
 }
 public function render($args, $instance)
 {
     $this->test_args = $args;
     $this->test_instance = $instance;
     return parent::render($args, $instance);
 }