* @return a {@link SWTBotSlider} with the specified <code>tooltip</code> with the specified <code>inGroup</code>.
*/
@SuppressWarnings("unchecked")
public SWTBotSlider sliderWithTooltipInGroup(String tooltip, String inGroup, int index) {
Matcher matcher = allOf(widgetOfType(Slider.class), withTooltip(tooltip), inGroup(inGroup));
return new SWTBotSlider((Slider) widget(matcher, index), matcher);
}