/**
  * Verify product tier price on product view page
  *
  * @param FixtureInterface $product
  * @param View $productViewBlock
  * @return void
  */
 public function assertPrice(FixtureInterface $product, View $productViewBlock)
 {
     $noError = true;
     $match = [];
     $index = 1;
     $tierPrices = $product->getTierPrice();
     foreach ($tierPrices as $tierPrice) {
         $text = $productViewBlock->getTierPrices($index++);
         $noError = (bool) preg_match('#^[^\\d]+(\\d+)[^\\d]+(\\d+(?:(?:,\\d+)*)+(?:.\\d+)*).*#i', $text, $match);
         if (!$noError) {
             break;
         }
         if (count($match) < 2 && $match[1] != $tierPrice['price_qty'] || $match[2] !== number_format($tierPrice['price'], $this->priceFormat)) {
             $noError = false;
             break;
         }
     }
     \PHPUnit_Framework_Assert::assertTrue($noError, $this->errorMessage);
 }