waitResponse();
click(jq("$insertSheet"));
waitResponse();
// TODO verify if uploaed image is displayed properly
Widget newTab = widget(marketTab).nextSibling();
String content = jq(newTab).find("span").text();
verifyEquals("sheet " + (origChildren + 1), content);
//"jq('@tab[label=\"sheet 7\"] span.z-tab-text')"
}