/**
  * @Given /^I want to modify the ("[^"]+" coupon) for (this promotion)$/
  */
 public function iWantToModifyTheCoupon(PromotionCouponInterface $coupon, PromotionInterface $promotion)
 {
     $this->updatePage->open(['id' => $coupon->getId(), 'promotionId' => $promotion->getId()]);
 }