TestConfigEvents random failure

[Martin Packman]

A recent test run failed in worker/uniter/filter/filter_test.go but passed in jobs before and after:

<http://juju-ci.vapour.ws:8080/job/github-merge-juju/2317/>

----------------------------------------------------------------------
FAIL: filter_test.go:293: FilterSuite.TestConfigEvents
...
[LOG] 0:00.796 DEBUG juju.worker.uniter.filter got address change
[LOG] 0:00.796 DEBUG juju.worker.uniter.filter preparing new config event
[LOG] 0:00.796 DEBUG juju.worker.uniter.filter sent config event
filter_test.go:308:
    configC.AssertOneReceive()
/home/ubuntu/juju-core_1.23-alpha1/src/github.com/juju/juju/testing/channel.go:63:
    a.C.Fatalf("unexpected receive")
... Error: unexpected receive
...
OOPS: 14 passed, 1 FAILED
--- FAIL: TestPackage (16.97 seconds)
FAIL
FAIL github.com/juju/juju/worker/uniter/filter 17.191s

[Dimiter Naydenov (dimitern)]

I believe this is related to bug 1391066 (both have the same cause). I'm working on a fix.

[Dimiter Naydenov (dimitern)]

Fix proposed with http://reviews.vapour.ws/r/1118/

[Dimiter Naydenov (dimitern)]

Closing the proposal - needs more work than I originally thought or can spare for now.