Add code for testing event queue messages recevied on region cross.

This is currently disabled pending an improvement in the test code to properly add avatars when an event queue module is present.

OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferModule.cs

@@ -1206,6 +1206,10 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
                     // region doesn't take it
                     m_entityTransferStateMachine.UpdateInTransit(agent.UUID, AgentTransferState.CleaningUp);
 
+                    m_log.WarnFormat(
+                        "[ENTITY TRANSFER MODULE]: Region {0} would not accept update for agent {1} on cross attempt.  Returning to original region.", 
+                        neighbourRegion.RegionName, agent.Name);
+
                     ReInstantiateScripts(agent);
                     agent.AddToPhysicalScene(isFlying);
 
@@ -1225,6 +1229,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
                                      neighbourRegion.RegionHandle);
                     return agent;
                 }
+
                 // No turning back
                 agent.IsChildAgent = true;