ACQE-6361: Notify invalid address for PayPal checkout

removed argument elementNumber from SwitchToPayPalGroupBtnActionGroup at clickPayPalBtnFromCartPage stepKey.

Author: neilraut

app/code/Magento/Paypal/Test/Mftf/Test/StorefrontNotifyInvalidAddressToCustomerForPayPalCheckoutTest.xml

@@ -75,9 +75,7 @@
         <!--Navigate to shopping cart-->
         <actionGroup ref="StorefrontCartPageOpenActionGroup" stepKey="openShoppingCartPageForAssertion"/>
         <!-- Click on Paypal paypal button on cart page-->
-        <actionGroup ref="SwitchToPayPalGroupBtnActionGroup" stepKey="clickPayPalBtnFromCartPage">
-            <argument name="elementNumber" value="1"/>
-        </actionGroup>
+        <actionGroup ref="SwitchToPayPalGroupBtnActionGroup" stepKey="clickPayPalBtnFromCartPage"/>
         <!--Assert invalid address error from cart page-->
         <actionGroup ref="StorefrontAssertInvalidAddressErrorActionGroup" stepKey="assertErrorMessageFromCartPage">
             <argument name="invalidAddressError" value="{{CheckoutCartMessageSection.invalidAddressError}}"/>