super.gwtSetUp();
final DebugPanelFilter[] filters = GwtDebugPanelFilters.getFilters();
// This test assumes at least two filters.
assertTrue(filters.length >= 2);
model = new DebugPanelFilterModel() {
private DebugPanelFilterModelListenerChain listener;
private boolean[] status = new boolean[filters.length];
//@Override
public int getCountOfAvailableFilters() {