LYNX-311: Fixed tests

Author: svera

dev/tests/api-functional/testsuite/Magento/GraphQl/Quote/Guest/GetCartPaginatedItemsTest.php

@@ -125,7 +125,7 @@ public function testGetCart()
         $expected = [
             'cart' => [
                 'id' => $maskedQuoteId,
-                'paginated_items' => [
+                'itemsV2' => [
                     'total_count' => 5,
                     'items' => [
                         [
@@ -186,7 +186,7 @@ private function getQuery(string $maskedQuoteId, int $pageSize, int $currentPage
 {
   cart(cart_id: "{$maskedQuoteId}") {
     id
-    paginated_items(pageSize: {$pageSize} currentPage: {$currentPage}) {
+    itemsV2(pageSize: {$pageSize} currentPage: {$currentPage}) {
       total_count
       items {
         id