PWA-1619: New accounts created through GQL are not provisioned a wishlist

- minor fix

Author: prabhuram93

dev/tests/api-functional/testsuite/Magento/GraphQl/Wishlist/CustomerWishlistsTest.php

@@ -136,7 +136,7 @@ public function testWishlistCreationScenario(): void
 
             $objectManager = Bootstrap::getObjectManager();
             $customerRepository = $objectManager->create(CustomerRepositoryInterface::class);
-            $customer = $customerRepository->get('customer@wishlist.com');
+            $customer = $customerRepository->get($customerEmail);
             $customerRepository->delete($customer);
 
             $registry->unregister('isSecureArea');