ACQE-6343: Change paypal pro flow new credentials

Author: mohit-adobe

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

@@ -23,7 +23,7 @@
             <createData entity="Simple_US_Customer" stepKey="createCustomer"/>
             <actionGroup ref="AdminLoginActionGroup" stepKey="loginAsAdmin"/>
             <actionGroup ref="AdminPayPalPayflowProActionGroup" stepKey="configPaypalPayflowPro">
-                <argument name="credentials" value="_CREDS"/>
+                <argument name="credentials" value="SamplePaypalPaymentsProConfig"/>
             </actionGroup>
             <actionGroup ref="CliCacheCleanActionGroup" stepKey="cleanInvalidatedCaches">
                 <argument name="tags" value="config full_page"/>