anchor.diff:  
       MergeToken = get_user_merge_token(UserReqParams2),
   
  -%%     TODO whoses UID and username stays ?
  -    ?PRINT(UserId),
  -    ?PRINT(UserId2),
  -
       %%  merge user2 with user1
       Response = merge_users(MergeToken, UserReqParams),
   
       ?assertMatch(ok, check_status(Response)),
  -
  -    ?PRINT(read_user(UserReqParams)),
   
       DeleteResponse = delete_user(UserReqParams),
       ?assertMatch(ok, check_status(DeleteResponse)),
  
positive.code:         RestAddress ++ "/groups/" ++ binary_to_list(GID)++ "/spaces", Headers, post, Body, Options
      ),
      get_header_val("spaces", Response).
      
  
  group_leave_space(GID, SID, ReqParams) ->
      {RestAddress, Headers, Options} = ReqParams,
  
negative.code:     %% TODO check user creator privileges
      get_group_user_privileges(GID, UserId2, UserReqParams2),
  
      SID = create_space_for_user(?SPACE_NAME1, UserReqParams2),
  
      ?assertMatch(
          ok,
          group_privileges_check(
              ?GROUP_PRIVILEGES, {UserId1, UserReqParams1}, {UserId2, UserReqParams2}, GID, SID
          )
      ).
  
  group_spaces_test(Config) ->
  