anchor.diff:      Case =:= emit_file_read_event_should_execute_handler;
       Case =:= emit_file_written_event_should_execute_handler;
       Case =:= emit_file_attr_changed_event_should_execute_handler;
  -    Case =:= emit_file_location_changed_event_should_execute_handler ->
  +    Case =:= emit_file_location_changed_event_should_execute_handler;
  +    Case =:= emit_helper_params_changed_event_should_execute_handler ->
       [Worker | _] = ?config(op_worker_nodes, Config),
       unsubscribe(Worker, ?config(subscription_id, Config)),
       end_per_testcase(?DEFAULT_CASE(Case), Config);
  
positive.code: file_location_changed_event() ->
      #file_location_changed_event{file_location = #file_location{uuid = ?FILE_UUID, space_id = ?SPACE_ID}}.
  
  %%--------------------------------------------------------------------
  %% @private
  %% @doc
  
negative.code:     emit_file_written_event_should_execute_handler/1,
      emit_file_attr_changed_event_should_execute_handler/1,
      emit_file_location_changed_event_should_execute_handler/1,
      emit_helper_params_changed_event_should_execute_handler/1,
      flush_should_notify_awaiting_process/1
  ]).
  
  