AC-12714 | Validating error message for email field in signin page of storefront

Skipping this TC as this is failing due to bug

Author: manjusha729

app/code/Magento/Customer/Test/Mftf/Test/StorefrontLoginFormCheckDuplicateValidateMessageTest.xml

@@ -17,6 +17,9 @@
             <severity value="MAJOR"/>
             <group value="Customer"/>
             <group value="cloud"/>
+            <skip>
+              <issueId value="AC-12714"/>
+            </skip>
         </annotations>
 
         <actionGroup ref="StorefrontOpenCustomerLoginPageActionGroup" stepKey="goToSignInPage"/>