(ColumnIteratorPaneAttributes) ProtocolIntegrationTestHelper.
provideAttributes(ColumnIteratorPaneAttributes.class);
final VolantisProtocol protocol = getProtocol();
attributes.setPane(new Pane(new CanvasLayout()));
MethodInvoker invoker = new MethodInvoker() {
public void invoke() throws Exception {
protocol.writeOpenColumnIteratorPane(attributes);
protocol.writeCloseColumnIteratorPane(attributes);