function StackTrace(error) {
      let lines = error.stack.split('\n').filter(function (line) {
        return line !== '';
      });

      const extractResult = extractMessage(error.message, lines);

      if (extractResult) {
        this.message = extractResult.message;
        lines = extractResult.remainder;
      }

      const parseResult = tryParseFrames(lines);
      this.frames = parseResult.frames;
      this.style = parseResult.style;
    }
Tell the spy to do nothing when invoked. This is the default.
@name SpyStrategy#stub
@since 2.0.0
@function