public void testCascadeLayer() {
String name = getLayerId(MockData.LAKES);
LayerInfo layer = catalog.getLayerByName(name);
assertNotNull(layer);
layer.accept(visitor);
assertNull(catalog.getLayerByName(name));
assertNull(catalog.getResourceByName(name, ResourceInfo.class));
LayerGroupInfo group = catalog.getLayerGroupByName(LAKES_GROUP);
assertEquals(2, group.getLayers().size());
assertFalse(group.getLayers().contains(layer));