anchor.diff:  header_for_body(_, Headers) ->
       [{"content-type", "application/json"}|Headers].
   
  +ensure_bin(L) when is_list(L) ->
  +    list_to_binary(L);
  +ensure_bin(B) when is_binary(B) ->
  +    B.
  +
  
positive.code:     {ok, Code, _H, _Body} = request(delete, Path, Config),
      Code.
  
  clone_config(#req_config{}=Config, Name, Key) ->
      Private = chef_authn:extract_private_key(Key),
      Config#req_config{name = Name, private_key = Private}.
  
negative.code: 
           make_client/3,
           delete_client/3,
           remove_client_from_group/4,
  
           start_apps/0]).
  
  