ResponseBuilder builder = new DojoAjaxResponseBuilder(cycle, writer, parts);
expect(comp.getClientId()).andReturn("comp");
expect(cycle.renderStackIterator()).andReturn(Collections.EMPTY_LIST.iterator());
expect(comp.getClientId()).andReturn("comp1");
expect(comp.getClientId()).andReturn("comp");
expect(cycle.renderStackIterator()).andReturn(Collections.EMPTY_LIST.iterator());