anchor.diff:      Config;
   
   
  -init_per_group(Group, Config0) when Group =:= sim_https; Group =:= https->
  +init_per_group(Group, Config0) when Group =:= sim_https; Group =:= https;
  +                                    Group =:= sim_mixed ->
       catch crypto:stop(),
       try crypto:start() of
           ok ->
  
positive.code: end_per_group(_, _Config) ->
      ok.
  
  do_init_per_group(Group, Config0) ->
      Config1 =
          case Group of
  
negative.code:      {group, http_unix_socket},
       {group, https},
       {group, sim_https},
       {group, misc},
       {group, sim_mixed} % HTTP and HTTPS sim servers
      ].
  
  groups() ->
  