anchor.diff:      [{ct_hooks,[ts_install_cth]},
        {timetrap,{minutes,1}}].
   
  -all() -> 
  +all() ->
       test_lib:recompile(?MODULE),
       [{group,p}].
   
  -groups() -> 
  +groups() ->
       [{p,test_lib:parallel(),
         [basic,
          deeply_nested,
  
positive.code: %%
  -module(lc_SUITE).
  
  -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, 
  	 init_per_group/2,end_per_group/2,
  	 init_per_testcase/2,end_per_testcase/2,
  	 basic/1,deeply_nested/1,no_generator/1,
  
negative.code:     ok.
  
  effect(Config) when is_list(Config) ->
      ct:timetrap({minutes,10}),
      [{42,{a,b,c}}] =
  	do_effect(fun(F, L) ->
  			  [F({V1,V2}) ||
  