MAGETWO-96429: Wrong special price displayed in product search results

- Update automated test script

Author: Lusine-Papyan

app/code/Magento/Search/Test/Mftf/Section/StorefrontQuickSearchResultsSection.xml

@@ -12,6 +12,7 @@
         <element name="searchTextBox" type="text" selector="#search"/>
         <element name="searchTextBoxButton" type="button" selector="button[class='action search']"/>
         <element name="productLink" type="select" selector="a[class='product-item-link']"/>
+        <element name="productSpecialPrice" type="text" selector="//a[contains(text(), '{{productName}}')]/ancestor::div//span[contains(@data-price-type, 'finalPrice')]/span[contains(@class, 'price')]" parameterized="true"/>
         <element name="asLowAsLabel" type="text" selector=".minimal-price-link > span"/>
         <element name="textArea" type="text" selector="li[class='item']"/>
         <element name="regularPrice" type="text" selector="//span[@class='price-wrapper ']/span[@class='price']"/>