Fixed api-functional test

Author: ldusan84

dev/tests/api-functional/testsuite/Magento/GraphQl/Catalog/CategoryTest.php

@@ -10,11 +10,13 @@
 use Magento\Catalog\Api\Data\CategoryInterface;
 use Magento\Catalog\Model\ResourceModel\Category\Collection as CategoryCollection;
 use Magento\Framework\DataObject;
+use Magento\Framework\GraphQl\Exception\GraphQlNoSuchEntityException;
 use Magento\TestFramework\TestCase\GraphQlAbstract;
 use Magento\Catalog\Api\Data\ProductInterface;
 use Magento\Catalog\Api\ProductRepositoryInterface;
 use Magento\TestFramework\ObjectManager;
 
+
 class CategoryTest extends GraphQlAbstract
 {
     /**
@@ -122,9 +124,9 @@ public function testNonExistentCategoryWithProductCount()
 }
 QUERY;
 
-        $response = $this->graphQlQuery($query);
-        $expectedResponse = ['errors' => ['message' => 'Category doesn\'t exist']];
-        $this->assertEquals($expectedResponse, $response);
+        $this->expectException(GraphQlNoSuchEntityException::class);
+        $this->expectExceptionMessage('GraphQL response contains errors: Category doesn\'t exist');
+        $this->graphQlQuery($query);
     }
 
     /**