public void prepare() throws Exception {
// get a shorter list of SRS
GeoServer gs = getGeoServer();
WMSInfo wms = gs.getService(WMSInfo.class);
wms.getSRS().add("4326");
gs.save(wms);
Catalog cat = getCatalog();
global = createLayerGroup(cat, "base", "base default",
layer(cat, MockData.LAKES), layer(cat, MockData.FORESTS));