[Buildbot] #3454: Tests failing with newer Twisteds in Docker configuration

[Buildbot trac]

#3454: Tests failing with newer Twisteds in Docker configuration
-------------------+--------------------
Reporter:  dustin  |      Owner:  dustin
    Type:  defect  |     Status:  new
Priority:  minor   |  Milestone:  0.9.+
 Version:  master  |   Keywords:
-------------------+--------------------
 {{{
 [FAIL]
 Traceback (most recent call last):
   File
 "/buildbot/py27-tw1320/build/slave/buildslave/test/unit/test_runprocess.py",
 line 657, in check_dead
     self.assertDead(self.child_pid)
   File
 "/buildbot/py27-tw1320/build/slave/buildslave/test/unit/test_runprocess.py",
 line 531, in assertDead
     self.fail("pid %d still alive after %ds" % (pid, timeout))
 twisted.trial.unittest.FailTest: pid 24771 still alive after 5s

 buildslave.test.unit.test_runprocess.TestPOSIXKilling.test_pgroup_usePTY
 }}}

 These tests still run fine for me on my development machine.

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Ticket URL: <http://trac.buildbot.net/ticket/3454>
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Buildbot: build/test automation