/**
  * Assert that success message is displayed after sales rule save.
  *
  * @param PromoQuoteIndex $promoQuoteIndex
  * @return void
  */
 public function processAssert(PromoQuoteIndex $promoQuoteIndex)
 {
     \PHPUnit_Framework_Assert::assertEquals(self::SUCCESS_MESSAGE, $promoQuoteIndex->getMessagesBlock()->getSuccessMessages());
 }