[TEST] Add REST awaitsFix for bulk fields test

Relates to #12133

rest-api-spec/src/main/resources/rest-api-spec/test/bulk/40_fields.yaml

@@ -1,5 +1,8 @@
 ---
 "Fields":
+  - skip:
+      version: "all"
+      reason: awaiting test fix
   - do:
       index:
         refresh: true