anchor.diff:  -spec domain_to_provider_id(Domain :: atom()) -> binary().
   domain_to_provider_id(Domain) ->
       atom_to_binary(Domain, utf8).
  +
  +-spec set_default_onezone_domain(Config :: proplists:proplist()) -> ok.
  +set_default_onezone_domain(Config) ->
  +    Workers = ?config(op_worker_nodes, Config),
  +    ok = test_utils:set_env(Workers, op_worker, oz_domain, ?DEFAULT_ONEZONE_DOMAIN).
   
   %%--------------------------------------------------------------------
   %% @doc
  
positive.code: -spec create_test_users_and_spaces([Worker :: node()], ConfigPath :: string(), Config :: list()) -> list().
  create_test_users_and_spaces(AllWorkers, ConfigPath, Config) ->
      try
          create_test_users_and_spaces_unsafe(AllWorkers, ConfigPath, Config)
      catch Type:Message ->
          ct:print("initializer:create_test_users_and_spaces crashed: ~p:~p~n~p", [
  
negative.code: %%--------------------------------------------------------------------
  -spec setup_storage([node()], Config :: list()) -> list().
  setup_storage([], Config) ->
      set_default_onezone_domain(Config),
      Config;
  setup_storage([Worker | Rest], Config) ->
      TmpDir = generator:gen_storage_dir(),
  