Made Observable.wait_eq return the final value for convenience
Updated some actor remoting tests to match new code
Added a decorator to emulate Go's defer
Removed unused imports
Simplified s.u.t.actor.MockActor
Removed the now obsolete MockMessages helped
Updated errorcollector unit test
Set default test timeout to a more realistic 0.5 sec
Removed the unused s.u.t.actor.DebugActor
Removed unnecessary code in assert_one_event