anchor.diff:                  set_non_existing_space_as_user_default_space_test,
                   last_user_leaves_space_test,
                   not_last_user_leaves_space_test,
  -                user_get_space_info_test,
  +                user_gets_space_info_test,
                   invite_user_to_space_test,
                   get_group_info_by_user_test,
  -                last_user_leave_group_test,
  -                not_last_user_leave_group_test,
  +                last_user_leaves_group_test,
  +                non_last_user_leaves_group_test,
                   invite_user_to_group_test
               ]
           },
  
positive.code:     Users = [{UserId1, UserReqParams1}, {UserId2, UserReqParams2}, {UserId3, UserReqParams3}],
      group_privileges_check(?GROUP_PRIVILEGES, Users, GID, SID).
  
  group_create_space_test(Config) ->
      UserReqParams1 = ?config(userReqParams, Config),
  
      GID = create_group(?GROUP_NAME1, UserReqParams1),
  
negative.code:     ),
      get_header_val("spaces", Response).
  
  group_leaves_space(GID, SID, ReqParams) ->
      {RestAddress, Headers, Options} = ReqParams,
      do_request(
          RestAddress ++ "/groups/" ++ binary_to_list(GID)++ "/spaces/" ++ binary_to_list(SID),
  