* @return a {@link SWTBotButton} with the specified <code>tooltip</code> with the specified <code>inGroup</code>.
*/
@SuppressWarnings("unchecked")
public SWTBotButton buttonWithTooltipInGroup(String tooltip, String inGroup, int index) {
Matcher matcher = allOf(widgetOfType(Button.class), withTooltip(tooltip), inGroup(inGroup), withStyle(SWT.PUSH, "SWT.PUSH")); //$NON-NLS-1$
return new SWTBotButton((Button) widget(matcher, index), matcher);
}