Sylius\Behat\Page\Shop\Checkout\CompletePageInterface::hasLocale PHP Method

    public function hasLocale($localeName);

 /**
  * @Then my order's locale should be :localeName
  */
 public function myOrderSLocaleShouldBe($localeName)
 {
     Assert::true($this->completePage->hasLocale($localeName), 'Order locale code is improper.');
 }