anchor.diff:  	HostUrl = ?config(host_url, Config),
   	AcceptValue = "application/json",
   	Accept = {"accept", AcceptValue},
  -	RestUser = ct:get_config(rest_user),
  -	RestPass = ct:get_config(rest_pass),
  -	Encodekey = base64:encode_to_string(string:concat(RestUser ++ ":", RestPass)),
  -	AuthKey = "Basic " ++ Encodekey,
  -	Authentication = {"authorization", AuthKey},
  -	Request = {HostUrl ++ "/usageManagement/v1/usageSpecification", [Accept, Authentication]},
  +	Request = {HostUrl ++ "/usageManagement/v1/usageSpecification", [Accept, auth_header()]},
   	{ok, Result} = httpc:request(get, Request, [], []),
   	{{"HTTP/1.1", 200, _OK}, Headers, Body} = Result,
   	{_, AcceptValue} = lists:keyfind("content-type", 1, Headers),
  
positive.code: 	Locale = "en",
  	{ok, _} = ocs:add_user(Username, Password, Locale),
  	HostUrl = ?config(host_url, Config),
  	RestUser = ct:get_config(rest_user),
  	RestPass = ct:get_config(rest_pass),
  	Encodekey = base64:encode_to_string(string:concat(RestUser ++ ":", RestPass)),
  	AuthKey = "Basic " ++ Encodekey,
  	Authentication = {"authorization", AuthKey},
  	Accept = {"accept", "application/json"},
  	Encodekey = base64:encode_to_string(string:concat(RestUser ++ ":", RestPass)),
  	AuthKey = "Basic " ++ Encodekey,
  	Authentication = {"authorization", AuthKey},
  	Request2 = {HostUrl ++ "/partyManagement/v1/individual/" ++ Username,
  			[Accept, Authentication]},
  	{ok, Result1} = httpc:request(get, Request2, [], []),
  	{{"HTTP/1.1", 200, _OK}, Headers1, Body1} = Result1,
  	{_, "application/json"} = lists:keyfind("content-type", 1, Headers1),
  
negative.code: 	HostUrl = ?config(host_url, Config),
  	Accept = {"accept", "application/json"},
  	ContentType = "application/json",
  	Request = {HostUrl ++ "/serviceInventoryManagement/v2/service",
  			[Accept, auth_header()], ContentType, RequestBody},
  	{ok, Result} = httpc:request(post, Request, [], []),
  	{{"HTTP/1.1", 201, _Created}, Headers, ResponseBody} = Result,
  	{_, "application/json"} = lists:keyfind("content-type", 1, Headers),
  