code: function drawRadialTitle(context, options) {
      if (!options.title) return;
  
      context.save();
      context.font = drawings.font(options, 'Title', context.max / 200);
      context.fillStyle = options.colorTitle;
      context.textAlign = 'center';
      context.fillText(options.title, 0, -context.max / 4.25, context.max * 0.8);
      context.restore();
  }
docs: /* istanbul ignore next: private, not testable 
  Draws gauge title
  
  @access private
  @param {Canvas2DContext} context
  @param {RadialGaugeOptions} options