MC-34360: [Paypal Express Checkout] Can't place an order if the currency is euro

- Update test to switch to different currency on Storefront

Author: kieuphan2406

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

@@ -17,9 +17,6 @@
             <severity value="CRITICAL"/>
             <testCaseId value="MC-13690"/>
             <group value="paypalExpress"/>
-            <skip>
-                <issueId value="MC-33951"/>
-            </skip>
         </annotations>
         <before>
             <!-- Login -->

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

@@ -17,23 +17,28 @@
             <severity value="MAJOR"/>
             <testCaseId value="MC-33274"/>
             <group value="paypalExpress"/>
-            <skip>
-                <issueId value="MC-33951"/>
-            </skip>
         </annotations>
         <before>
+            <!--Set price scope global-->
+            <magentoCLI command="config:set {{CatalogPriceScopeGlobalConfigData.path}} {{CatalogPriceScopeGlobalConfigData.value}}" stepKey="setCatalogPriceScopeWebsite"/>
             <!--Set merchant country-->
             <magentoCLI command="config:set {{MerchantFrance.path}} {{MerchantFrance.value}}" stepKey="setMerchantCountryUK"/>
             <!--Enable Advanced Setting-->
             <magentoCLI command="config:set {{StorefrontPaypalEnableSkipOrderReviewStepConfigData.path}} {{StorefrontPaypalEnableSkipOrderReviewStepConfigData.value}}" stepKey="enableSkipOrderReview"/>
             <createData entity="FreeShippinMethodConfig" stepKey="enableFreeShipping"/>
+            <magentoCLI command="cache:flush" stepKey="flushCache"/>
         </before>
         <after>
             <magentoCLI command="config:set {{StorefrontPaypalDisableSkipOrderReviewStepConfigData.path}} {{StorefrontPaypalDisableSkipOrderReviewStepConfigData.value}}" stepKey="disableSkipOrderReview"/>
             <!--Set default merchant country-->
             <magentoCLI command="config:set {{MerchantUnitedStates.path}} {{MerchantUnitedStates.value}}" stepKey="setMerchantCountryDefault"/>
             <createData entity="FreeShippinMethodDefault" stepKey="disableFreeShippingMethod"/>
         </after>
+        <!-- Switch to USD-US Dollar-->
+        <actionGroup ref="StorefrontSwitchCurrencyActionGroup" after="waitForProductPagePageLoad" stepKey="switchCurrency">
+            <argument name="currency" value="USD"/>
+        </actionGroup>
+
         <!-- click on PayPal payment radio button -->
         <waitForElement selector="{{CheckoutPaymentSection.paymentSectionTitle}}" after="guestCheckoutFillingShippingSection" stepKey="waitForPlaceOrderButton"/>
         <click selector="{{CheckoutPaymentSection.PayPalPaymentRadio}}" stepKey="guestSelectCheckMoneyOrderPayment"/>