"}");
frame.refresh();
ComplexPanelInfo panel = (ComplexPanelInfo) frame.getChildrenWidgets().get(0);
WidgetInfo button = panel.getChildrenWidgets().get(0);
// move "button"
frame.startEdit();
frame.command_MOVE2(button, null);
assertEditor(
"public class Test implements EntryPoint {",
" public void onModuleLoad() {",
" RootPanel rootPanel = RootPanel.get();",