Comment 4 for bug 1064909

And again (r965):

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FAIL: presence_test.go:253: PresenceSuite.TestWatchPeriod

[LOG] 27.82981 JUJU state/presence: Faking presence to time slot 0
[LOG] 27.82986 JUJU state/presence: Not faking presence time. Real time slot in use.
[LOG] 27.86029 JUJU:DEBUG state/presence: got request: presence.reqWatch{key:"a", ch:(chan<- presence.Change)(0xf84069c910)}
[LOG] 27.86069 JUJU:DEBUG state/presence: synchronizing watcher knowledge with database...
[LOG] 27.86634 JUJU:DEBUG state/presence: starting pinger for "a" with seq=1
[LOG] 27.86636 JUJU:DEBUG state/presence: pinging "a" with seq=1
[LOG] 27.86728 JUJU:DEBUG state/presence: stopping pinger for "a" with seq=1
[LOG] 28.86080 JUJU:DEBUG state/presence: synchronizing watcher knowledge with database...
presence_test.go:272:
    assertChange(c, ch, presence.Change{"a", true})
presence_test.go:63:
    c.Fatalf("watch reported nothing, want %v", want)
... Error: watch reported nothing, want {a true}

OOPS: 10 passed, 1 FAILED
--- FAIL: TestPackage (10.16 seconds)
FAIL
FAIL launchpad.net/juju-core/state/presence 10.438s