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

- fix SmartButtonConfigTest

Author: krissyhiserote

app/code/Magento/Paypal/Test/Unit/Model/SmartButtonConfigTest.php

@@ -12,6 +12,8 @@
 use Magento\Paypal\Model\Config;
 use Magento\Paypal\Model\ConfigFactory;
 use Magento\Paypal\Model\SmartButtonConfig;
+use Magento\Store\Model\Store;
+use Magento\Store\Model\StoreManagerInterface;
 use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;
 
@@ -56,10 +58,22 @@ protected function setUp(): void
             ->setMethods(['create'])
             ->getMock();
         $configFactoryMock->expects($this->once())->method('create')->willReturn($this->configMock);
+
+        /** @var Store|MockObject $storeMock */
+        $storeMock = $this->createMock(Store::class);
+        $storeMock->method('getCurrentCurrencyCode')
+            ->willReturn('USD');
+
+        /** @var StoreManagerInterface|MockObject $storeManagerMock */
+        $storeManagerMock = $this->getMockForAbstractClass(StoreManagerInterface::class);
+        $storeManagerMock->method('getStore')
+            ->willReturn($storeMock);
+
         $this->model = new SmartButtonConfig(
             $this->localeResolverMock,
             $configFactoryMock,
             $scopeConfigMock,
+            $storeManagerMock,
             $this->getDefaultStyles(),
             $this->getDisallowedFundingMap(),
             $this->getUnsupportedPaymentMethods()

app/code/Magento/Paypal/Test/Unit/Model/_files/expected_config.php

@@ -46,6 +46,7 @@ function generateExpectedPaypalSdkUrl(array $params) : String
                     'merchant-id' => 'merchant',
                     'locale' => 'es_MX',
                     'intent' => 'authorize',
+                    'currency' => 'USD',
                     'disable-funding' => implode(
                         ',',
                         ['credit', 'venmo', 'bancontact', 'eps', 'giropay', 'ideal', 'mybank', 'p24', 'sofort']
@@ -84,6 +85,7 @@ function generateExpectedPaypalSdkUrl(array $params) : String
                     'merchant-id' => 'merchant',
                     'locale' => 'en_BR',
                     'intent' => 'authorize',
+                    'currency' => 'USD',
                     'disable-funding' => implode(
                         ',',
                         ['venmo', 'bancontact', 'eps', 'giropay', 'ideal', 'mybank', 'p24', 'sofort']
@@ -121,6 +123,7 @@ function generateExpectedPaypalSdkUrl(array $params) : String
                     'merchant-id' => 'merchant',
                     'locale' => 'en_US',
                     'intent' => 'authorize',
+                    'currency' => 'USD',
                     'disable-funding' => implode(
                         ',',
                         ['venmo', 'bancontact', 'eps', 'giropay', 'ideal', 'mybank', 'p24', 'sofort']
@@ -158,6 +161,7 @@ function generateExpectedPaypalSdkUrl(array $params) : String
                     'merchant-id' => 'merchant',
                     'locale' => 'en_US',
                     'intent' => 'authorize',
+                    'currency' => 'USD',
                     'disable-funding' => implode(
                         ',',
                         ['credit','venmo', 'bancontact', 'eps', 'giropay', 'ideal', 'mybank', 'p24', 'sofort']
@@ -196,6 +200,7 @@ function generateExpectedPaypalSdkUrl(array $params) : String
                     'merchant-id' => 'merchant',
                     'locale' => 'en_BR',
                     'intent' => 'authorize',
+                    'currency' => 'USD',
                     'disable-funding' => implode(
                         ',',
                         ['card','venmo', 'bancontact', 'eps', 'giropay', 'ideal', 'mybank', 'p24', 'sofort']