+init_per_group(?GROUP_PIPE, Cfg) ->
+ Steps =
+ [ fun (0) -> {ok, 1}; (X) -> {error, X} end
+ , fun (1) -> {ok, 2}; (X) -> {error, X} end
+ , fun (2) -> {ok, 3}; (X) -> {error, X} end
+ ],
+ hope_kv_list:set(Cfg, steps, Steps).
+
+end_per_group(?GROUP_PIPE, _Cfg) ->
+ ok.
+