anchor.diff:  product_spec("2") ->
   	spec_product_fixed_quantity_pkg();
   product_spec("3") ->
  -	spec_product_rate_plan();
  +	spec_product_rated_plan();
   product_spec("4") ->
   	spec_product_wlan();
   product_spec(_) ->
  
positive.code: 	{struct, [Id, Name, Href, Description, Version, LastUpdate, Status]}.
  
  %% @hidden
  spec_product_rate_plan() ->
  	Id = {"id", "3"},
  	Href = {"href", ?specificationPath "3"},
  	Name = {"name", "RatedPlanProductSpec"},
  
negative.code: 	Headers = [{content_type, "application/json"}],
  	Object = {array, [spec_product_network(),
  					spec_product_fixed_quantity_pkg(),
  					spec_product_rated_plan(),
  					spec_product_wlan()]},
  	Body = mochijson:encode(Object),
  	{ok, Headers, Body};
  