juju.providers.local.tests.test_agent.ManagedAgentTest.test_managed_agent_root fails due to unset path

[Clint Byrum]

$ TEST_SUDO=1 eatmydata ./test juju.providers.local.tests.test_agent
Using system zookeeper classpath from /etc/zookeeper/conf/environment
juju.providers.local.tests.test_agent
  ManagedAgentTest
    test_managed_agent_config ... [OK]
    test_managed_agent_root ... [ERROR]

===============================================================================
[ERROR]
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 1043, in _inlineCallbacks
    result = result.throwExceptionIntoGenerator(g)
  File "/usr/lib/python2.7/dist-packages/twisted/python/failure.py", line 382, in throwExceptionIntoGenerator
    return g.throw(self.type, self.value, self.tb)
  File "/home/clint/src/juju/trunk/juju/providers/local/tests/test_agent.py", line 78, in test_managed_agent_root
    yield agent.start()
  File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 1043, in _inlineCallbacks
    result = result.throwExceptionIntoGenerator(g)
  File "/usr/lib/python2.7/dist-packages/twisted/python/failure.py", line 382, in throwExceptionIntoGenerator
    return g.throw(self.type, self.value, self.tb)
  File "/home/clint/src/juju/trunk/juju/lib/service.py", line 111, in start
    yield self._trash_output()
  File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 1043, in _inlineCallbacks
    result = result.throwExceptionIntoGenerator(g)
  File "/usr/lib/python2.7/dist-packages/twisted/python/failure.py", line 382, in throwExceptionIntoGenerator
    return g.throw(self.type, self.value, self.tb)
  File "/home/clint/src/juju/trunk/juju/lib/service.py", line 88, in _trash_output
    yield self._call("rm", "-f", self._pid_path)
  File "/usr/lib/python2.7/dist-packages/twisted/python/threadpool.py", line 207, in _worker
    result = context.call(ctx, function, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/twisted/python/context.py", line 118, in callWithContext
    return self.currentContext().callWithContext(ctx, func, *args, **kw)
  File "/usr/lib/python2.7/dist-packages/twisted/python/context.py", line 81, in callWithContext
    return func(*args,**kw)
  File "/home/clint/src/juju/trunk/juju/lib/service.py", line 18, in _check_call
    env=env)
  File "/usr/lib/python2.7/subprocess.py", line 511, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '('sudo', '-E', 'rm', '-f', '/tmp/test-ns-_AXzcD.pid')' returned non-zero exit status 1

juju.providers.local.tests.test_agent.ManagedAgentTest.test_managed_agent_root
-------------------------------------------------------------------------------
Ran 2 tests in 0.091s

FAILED (errors=1, successes=1)