#24380: Integration tests fix.

Author: engcom-Foxtrot

dev/tests/integration/testsuite/Magento/Checkout/Controller/Cart/UpdateItemQtyTest.php

@@ -10,6 +10,7 @@
 use Magento\Catalog\Model\Product;
 use Magento\Checkout\Model\Session;
 use Magento\Catalog\Api\ProductRepositoryInterface;
+use Magento\Framework\App\Request\Http as HttpRequest;
 use Magento\Framework\Data\Form\FormKey;
 use Magento\Framework\Serialize\Serializer\Json;
 
@@ -81,6 +82,7 @@ public function testExecute($requestQuantity, $expectedResponse)
             ];
         }
 
+        $this->getRequest()->setMethod(HttpRequest::METHOD_POST);
         $this->getRequest()->setPostValue($request);
         $this->dispatch('checkout/cart/updateItemQty');
         $response = $this->getResponse()->getBody();