ACQE-6343: Change paypal new credentials entity

Author: mohit-adobe

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

@@ -36,7 +36,7 @@
             </actionGroup>
             <!-- Paypal Payflow -->
             <actionGroup ref="AdminPayPalPayflowProActionGroup" stepKey="ConfigPayflow">
-                <argument name="credentials" value="_CREDS"/>
+                <argument name="credentials" value="SamplePaypalPaymentsProConfig"/>
             </actionGroup>
         </before>
         <after>