Revert removed step from the test

Author: sidolov

app/code/Magento/Sales/Test/Mftf/Test/CreditMemoTotalAfterShippingDiscountTest.xml

@@ -62,6 +62,7 @@
         <!-- Place an order from Storefront as a Guest  -->
         <amOnPage url="{{StorefrontCategoryPage.url($$createCategory.name$$)}}" stepKey="onCategoryPage"/>
         <waitForPageLoad stepKey="waitForPageLoad1"/>
+        <comment userInput="Adding the comment to replace action for preserving Backward Compatibility" stepKey="hoverOverProduct"/>
         <actionGroup ref="StorefrontHoverProductOnCategoryPageActionGroup" stepKey="hoverProduct"/>
         <actionGroup ref="StorefrontClickAddToCartButtonActionGroup" stepKey="addToCart"/>
         <waitForElementVisible selector="{{StorefrontCategoryMainSection.SuccessMsg}}" time="30" stepKey="waitForProductToAdd"/>