Merge branch 'ACQE-7412' into ACQE-functional-mainline-deployment-ver2

Author: manjusha729

app/code/Magento/Checkout/Test/Mftf/ActionGroup/GuestCheckoutFillingShippingSectionActionGroup.xml

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
  /**
-  * Copyright © Magento, Inc. All rights reserved.
-  * See COPYING.txt for license details.
+  * Copyright 2025 Adobe
+  * All Rights Reserved.
   */
 -->
 
@@ -15,8 +15,7 @@
         <arguments>
             <argument name="customerVar" defaultValue="CustomerEntityOne"/>
             <argument name="customerAddressVar" defaultValue="CustomerAddressSimple"/>
-            <!--First available shipping method will be selected if value is not passed for shippingMethod-->
-            <argument name="shippingMethod" defaultValue="" type="string"/>
+            <argument name="shippingMethod" defaultValue="Flat Rate" type="string"/>
         </arguments>
 
         <waitForElementVisible selector="{{CheckoutShippingSection.emailAddress}}" stepKey="waitForEmailField"/>