/**
  * @When I go to the addressing step
  */
 public function iGoToTheAddressingStep()
 {
     if ($this->shippingPage->isOpen()) {
         $this->shippingPage->changeAddressByStepLabel();
         return;
     }
     if ($this->paymentPage->isOpen()) {
         $this->paymentPage->changeAddressByStepLabel();
         return;
     }
     if ($this->summaryPage->isOpen()) {
         $this->summaryPage->changeAddress();
         return;
     }
     throw new UnexpectedPageException('It is impossible to go to addressing step from current page.');
 }