* @return a {@link SWTBotToolbarButton} with the specified <code>mnemonicText</code> with the specified <code>inGroup</code>.
*/
@SuppressWarnings("unchecked")
public SWTBotToolbarButton toolbarButtonInGroup(String mnemonicText, String inGroup, int index) {
Matcher matcher = allOf(widgetOfType(ToolItem.class), withMnemonic(mnemonicText), inGroup(inGroup));
return new SWTBotToolbarButton((ToolItem) widget(matcher, index), matcher);
}