anchor.diff:  
   delete_space_provider(SID, PID, ReqParams) ->
   {RestAddress, Headers, Options} = ReqParams,
  -    Response =
  -        do_request(
  -            RestAddress ++ "/spaces/" ++ binary_to_list(SID) ++ "/providers/" ++ binary_to_list(PID),
  -            Headers, delete, [], Options
  -        ),
  -    Response.
  +    do_request(
  +        RestAddress ++ "/spaces/" ++ binary_to_list(SID) ++ "/providers/" ++ binary_to_list(PID),
  +        Headers, delete, [], Options
  +    ).
   
   get_space_creation_token_for_user(ReqParams) ->
       {RestAddress, Headers, Options} = ReqParams,
  
positive.code:     join_user_to_space(InvitationToken, UserReqParams2),
  
      ?assertMatch(true,
          is_included(?SPACE_PRIVILEGES, get_space_privileges(users, SID, UserId1, UserReqParams1))),
  
      ?assertMatch(true,
          is_included([space_view_data], get_space_privileges(users, SID, UserId2, UserReqParams1))).
  
  
  space_set_privileges_test(Config) ->
      RestAddress = ?config(restAddress, Config),
  
negative.code: 
      %% check user creator privileges
      ?assertMatch(true,
          is_included(
              [atom_to_binary(Privilege, latin1) || Privilege <- ?GROUP_PRIVILEGES],
              get_group_user_privileges(GID, UserId1, UserReqParams1))
      ),
  
      %% check other user privileges
      ?assertMatch(true,
          is_included(
              [<<"group_view_data">>], get_group_user_privileges(GID, UserId2, UserReqParams1))).
  
  group_set_privileges_test(Config) ->
      RestAddress = ?config(restAddress, Config),
  