anchor.diff:            L = F(info_msg),
             {info, sorting} = qlc_SUITE:read_error_logger(),
             L = F(warning_msg),
  -          {error, sorting} = qlc_SUITE:read_error_logger(),
  +          {warning, sorting} = qlc_SUITE:read_error_logger(),
             qlc_SUITE:uninstall_error_logger(),
             ets:delete(E1),
             ets:delete(E2)">>],
  
positive.code:             {error, Why};
          {info, Why} ->
              {info, Why};
          {error, Pid, Tuple} ->
              {error, Pid, Tuple}
      after 1000 ->
  
negative.code:           {error, caching} = qlc_SUITE:read_error_logger(),
            {error, caching} = qlc_SUITE:read_error_logger(),
            1 = length(F(warning_msg)),
            {warning, caching} = qlc_SUITE:read_error_logger(),
            {warning, caching} = qlc_SUITE:read_error_logger(),
            1 = length(F(info_msg)),
            {info, caching} = qlc_SUITE:read_error_logger(),
            {info, caching} = qlc_SUITE:read_error_logger(),
  