ACQE-5749:Place an order using paypal express checkout as payment method

Author: Manikayala

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

@@ -52,8 +52,11 @@
             <argument name="customer" value="$$createCustomer$$" />
             <argument name="address" value="US_Address_TX"/>
         </actionGroup>
-        <actionGroup ref="CheckoutSelectFlatRateShippingMethodActionGroup" stepKey="selectFlatRateShipping" />
-        <actionGroup ref="StorefrontCheckoutClickNextOnShippingStepActionGroup" stepKey="clickNext"/>
+        <!-- Select shipping -->
+        <actionGroup ref="StorefrontSetShippingMethodActionGroup" stepKey="selectShippingMethodAsFlatRate">
+            <argument name="shippingMethodName" value="Flat Rate"/>
+        </actionGroup>
+        <actionGroup ref="StorefrontCheckoutClickNextOnShippingStepActionGroup" stepKey="goToCheckoutPaymentPage"/>
         <!-- Click on PayPal payment radio button -->
         <waitForElementClickable selector="{{CheckoutPaymentSection.PayPalPaymentRadio}}" stepKey="waitForPayPalRadioButton"/>
         <click selector="{{CheckoutPaymentSection.PayPalPaymentRadio}}" stepKey="selectPaypalPayment"/>
@@ -67,11 +70,7 @@
         </actionGroup>
         <waitForElementVisible selector="{{AdminOrderPaymentInformationSection.paymentInformationField('Last Transaction ID')}}" stepKey="waitForTransactionIDFieldToBeAppeared"/>
         <grabTextFrom selector="{{AdminOrderPaymentInformationSection.paymentInformationField('Last Transaction ID')}}" stepKey="grabATransactionID"/>
-        <actionGroup ref="AdminAssertTotalsOnOrderViewPageActionGroup" stepKey="checkSubtotal">
-            <argument name="subtotal" value="$10.00"/>
-            <argument name="shippingAndHandling" value="$5.00"/>
-            <argument name="grandTotal" value="15.00"/>
-        </actionGroup>
+        <waitForText selector="{{AdminOrderTotalSection.grandTotal}}" userInput="$15.00" stepKey="checkGrandTotal"/>
         <actionGroup ref="AdminOpenOrderCommentsHistoryActionGroup" stepKey="clickOnCommentsHistory"/>
         <waitForText selector="{{AdminOrderCommentsTabSection.orderComment}}" userInput="Authorized amount of $15.00. Transaction ID: &quot;{$grabATransactionID}&quot;" stepKey="seeOrderHistoryNotes"/>
     </test>