MQE-1840: Convert DeleteProductsFromWishlistOnFrontendTest to MFTF

Author: jilu1

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

@@ -105,6 +105,8 @@
                 <requiredEntity createDataKey="createConfigProduct"/>
                 <requiredEntity createDataKey="createConfigChildProduct3"/>
             </createData>
+            <magentoCLI stepKey="reindex" command="indexer:reindex"/>
+            <magentoCLI stepKey="flushCache" command="cache:flush"/>
         </before>
         <after>
             <!-- Delete data -->