AC-10957: Stabilize MFTF test

Fixed StorefrontAddMultipleStoreProductsToWishlistTest

Author: Kieu Phan

app/code/Magento/Wishlist/Test/Mftf/Test/StorefrontAddMultipleStoreProductsToWishlistTest.xml

@@ -118,6 +118,7 @@
         </actionGroup>
         <click selector="{{StorefrontProductPageSection.addToWishlist}}" stepKey="addSecondProductToWishlist"/>
         <waitForPageLoad stepKey="waitForPageLoad2"/>
+        <waitForElementVisible stepKey="waitForProduct2InWishlist" selector="{{StorefrontCustomerWishlistSection.productItemNameText}}" />
         <see userInput="$$secondProduct.name$$" selector="{{StorefrontCustomerWishlistSection.productItemNameText}}" stepKey="seeProduct2InWishlistOnSecondStore"/>
         <click selector="{{StorefrontFooterSection.switchStoreButton}}" stepKey="clickSwitchStoreButtonOnSecondStore"/>
         <click selector="{{StorefrontFooterSection.storeLink('Main Website Store')}}" stepKey="selectDefaultStoreToSwitchOn"/>