anchor.diff:      {
           color:yellow("Bad test specification:"),
           [
  +            color:yellowb("Invalid specification: "),
               color:yellow(io_lib:format("~p", [Test]))
           ]
       };
  
positive.code:             case get(status, C) of
                  {error, _} ->
                      true;
                  _  ->
                      case get(reason, C) of
                          {abort, _} -> true;
                          _          -> false
  
negative.code: 
  handle_end(test, Data, State) ->
      case get(status, Data) of
          ok            -> io:format(color:green("."));
          skip          -> io:format(color:yellow("S"));
          {skipped, _ } -> io:format(color:yellow("S"));
          {error, _}    -> io:format(color:redb("F"))
      end,
      State#s{cases = State#s.cases ++ [Data]};
  handle_end(group, _Data, State) ->
      State.
  
  handle_cancel(group, Data, State) ->
  