B2B-2259: customAttributeMetadata GraphQl query has no cache identity

- WebAPI test

Author: rganin

dev/tests/api-functional/testsuite/Magento/GraphQl/Eav/CustomAttributesMetadataCacheTest.php

@@ -25,6 +25,7 @@ public function setUp(): void
 
     /**
      * @magentoApiDataFixture Magento/Catalog/_files/dropdown_attribute.php
+     * @magentoConfigFixture default/system/full_page_cache/caching_application 2
      *
      * @return void
      */
@@ -56,6 +57,8 @@ public function testCacheHitMiss()
     /**
      * @magentoApiDataFixture Magento/Catalog/_files/dropdown_attribute.php
      * @magentoApiDataFixture Magento/Store/_files/store.php
+     * @magentoConfigFixture default/system/full_page_cache/caching_application 2
+     *
      * @return void
      */
     public function testCacheDifferentStores()
@@ -127,6 +130,7 @@ private function assertOptionValuesPerStore($storeOptions, $storeCode, $stores,
 
     /**
      * @magentoApiDataFixture Magento/Catalog/_files/dropdown_attribute.php
+     * @magentoConfigFixture default/system/full_page_cache/caching_application 2
      *
      * @return void
      */