And this fixes the other failing tests. Justin, the thread pool is not being initialized in the tests!

OpenSim/Region/Framework/Scenes/ScenePresence.cs

@@ -1383,8 +1383,6 @@ namespace OpenSim.Region.Framework.Scenes
                     sog.ScheduleGroupForFullUpdate();
             }
 
-            m_log.DebugFormat("[SCENE PRESENCE]: ({0}) Available threads: {1}", Name, Util.FireAndForgetCount());
-
 //            m_log.DebugFormat(
 //                "[SCENE PRESENCE]: Completing movement of {0} into region {1} took {2}ms", 
 //                client.Name, Scene.RegionInfo.RegionName, (DateTime.Now - startTime).Milliseconds);