Sylius\Behat\Page\Admin\Order\ShowPageInterface::getPaymentsCount PHP Method

    public function getPaymentsCount();

 /**
  * @Then /^there should be(?:| only) (\d+) payments?$/
  */
 public function theOrderShouldHaveNumberOfPayments($number)
 {
     $actualNumberOfPayments = $this->showPage->getPaymentsCount();
     Assert::eq($number, $actualNumberOfPayments);
 }