B2B-2259: customAttributeMetadata GraphQl query has no cache identity

- Static fixes

Author: rganin

dev/tests/api-functional/framework/Magento/TestFramework/TestCase/GraphQl/Client.php

@@ -101,9 +101,11 @@ public function get(string $query, array $variables = [], string $operationName
     }
 
     /**
-     * Process response from GraphQl server
+     * Process response from GraphQL server.
      *
      * @param string $response
+     * @param array $responseHeaders
+     * @param array $responseCookies
      * @return mixed
      * @throws \Exception
      */
@@ -196,10 +198,13 @@ public function postWithResponseHeaders(
     }
 
     /**
-     * Process errors
+     * Process errors.
      *
-     * @param array $responseBodyArray
-     * @throws \Exception
+     * @param $responseBodyArray
+     * @param array $responseHeaders
+     * @param array $responseCookies
+     * @return void
+     * @throws ResponseContainsErrorsException
      */
     private function processErrors($responseBodyArray, array $responseHeaders = [], array $responseCookies = [])
     {

dev/tests/api-functional/framework/Magento/TestFramework/TestCase/GraphQl/ResponseContainsErrorsException.php

@@ -8,7 +8,7 @@
 namespace Magento\TestFramework\TestCase\GraphQl;
 
 /**
- * Response contains errors exception
+ * Exception thrown when GraphQL response contains errors.
  */
 class ResponseContainsErrorsException extends \Exception
 {
@@ -32,6 +32,8 @@ class ResponseContainsErrorsException extends \Exception
      * @param array $responseData
      * @param \Exception|null $cause
      * @param int $code
+     * @param array $responseHeaders
+     * @param array $responseCookies
      */
     public function __construct(
         string $message,