public String geomap() {
        return get(GEOMAP, null);
    }
@Test
    public void setGeomap() {
        loadLayout(L1);
        assertEquals("map not brighton", UK_BRIGHTON, cfg.geomap());
        cfg.geomap(NEW_MAP);
        assertEquals("not new map", NEW_MAP, cfg.geomap());
        cfg.geomap(null);
        assertNull("geomap not cleared", cfg.geomap());
    }