Fewer failing tests

There are still tests failing, but this change addresses some of the new failures after 4b163e0482 (which is an awesome improvement despite the test failures :).

tests/TileManager.html

@@ -8,6 +8,7 @@
         
         var tileManager = new OpenLayers.TileManager();
         var map = new OpenLayers.Map('map', {
+            zoomMethod: null,
             tileManager: tileManager
         });
         var layer = new OpenLayers.Layer.WMS('WMS1', '../img/blank.gif');