ACQE-5448: Test Billing address in checkout with UPS carrier

removed comments from <group value="pr_exclude"/>

Author: neilraut

app/code/Magento/Shipping/Test/Mftf/Test/StorefrontBillingAddressShownOnSecondCheckoutIfUPSEnabledTest.xml

@@ -16,7 +16,7 @@
             <severity value="MAJOR"/>
             <testCaseId value="AC-4334"/>
             <group value="3rd_party_integration"/>
-<!--            <group value="pr_exclude"/>-->
+            <group value="pr_exclude"/>
         </annotations>
         <before>
             <!--Login as Admin-->