IBX-8378: [Tests] Fixed setting image field as searchable for tests (#403)

For more details see https://issues.ibexa.co/browse/IBX-8378 and #403

Key changes:

* [Tests] Fixed setting image field as searchable for integration tests

----
Co-Authored-By: Vidar Langseid <[email protected]>

Author: alongosz

tests/integration/Core/Repository/SearchServiceImageTest.php

@@ -365,6 +365,11 @@ private function ensureImageFieldTypeIsSearchable(ContentType $contentType): voi
         );
     }
 
+    /**
+     * @throws \Ibexa\Contracts\Core\Repository\Exceptions\InvalidArgumentException
+     * @throws \Ibexa\Contracts\Core\Repository\Exceptions\BadStateException
+     * @throws \Ibexa\Contracts\Core\Repository\Exceptions\UnauthorizedException
+     */
     private function setFieldTypeAsSearchable(
         ContentTypeDraft $contentTypeDraft,
         FieldDefinition $fieldDefinition
@@ -379,5 +384,6 @@ private function setFieldTypeAsSearchable(
             $fieldDefinition,
             $fieldDefinitionUpdateStruct
         );
+        $contentTypeService->publishContentTypeDraft($contentTypeDraft);
     }
 }