Fix up a test that used our $().

tests/Map.html

@@ -748,7 +748,7 @@
     function test_Map_double_addLayer(t) {
         t.plan(2);
 
-        map = new OpenLayers.Map($('map'));
+        map = new OpenLayers.Map('map');
         layer = new OpenLayers.Layer.WMS('Test Layer', 
                     "http://octo.metacarta.com/cgi-bin/mapserv", 
                     {map: '/mapdata/vmap_wms.map', layers: 'basic', format: 'image/jpeg'}