Corrected newsLetterConfig

Author: sedonik

app/code/Magento/CustomerGraphQl/Model/Resolver/CreateCustomer.php

@@ -33,19 +33,19 @@ class CreateCustomer implements ResolverInterface
     /**
      * @var Config
      */
-    private $newsletterConfig;
+    private $newsLetterConfig;
 
     /**
      * CreateCustomer constructor.
      *
      * @param ExtractCustomerData $extractCustomerData
      * @param CreateCustomerAccount $createCustomerAccount
-     * @param Config $config
+     * @param Config $newsLetterConfig
      */
     public function __construct(
         ExtractCustomerData $extractCustomerData,
         CreateCustomerAccount $createCustomerAccount,
-        Config $newsletterConfig
+        Config $newsLetterConfig
     ) {
         $this->newsLetterConfig = $newsLetterConfig;
         $this->extractCustomerData = $extractCustomerData;

dev/tests/integration/testsuite/Magento/Customer/_files/customer_subscribe.php

@@ -10,4 +10,4 @@
     false,
     'default',
     0
-);
+);

dev/tests/integration/testsuite/Magento/Customer/_files/customer_subscribe_rollback.php

@@ -5,9 +5,11 @@
 */
 // TODO: Should be removed in scope of https://github.com/magento/graphql-ce/issues/167
 
+declare(strict_types=1);
+
 use Magento\Framework\App\Config\Storage\WriterInterface;
 use Magento\TestFramework\Helper\Bootstrap;
 $objectManager = Bootstrap::getObjectManager();
 /** @var Writer  $configWriter */
 $configWriter = $objectManager->create(WriterInterface::class);
-$configWriter->delete('newsletter/general/active');
+$configWriter->delete('newsletter/general/active');