hyperv neutron agent, break local nosetests tests

$ python --version
Python 2.7.5

$ uname -a
Linux localhost 3.10.11-200.fc19.x86_64 #1 SMP Mon Sep 9 13:03:01 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

$ nosetests -V
nosetests version 1.3.0

ERROR: neutron.tests.unit.hyperv.test_hyperv_neutron_agent.TestHyperVNeutronAgent.test_main
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/nose/case.py", line 133, in run
    self.runTest(result)
  File "/usr/lib/python2.7/site-packages/nose/case.py", line 151, in runTest
    test(result)
  File "/usr/lib64/python2.7/unittest/case.py", line 433, in __call__
    return self.run(*args, **kwds)
  File "/usr/lib/python2.7/site-packages/testtools/testcase.py", line 526, in run
    return self.__RunTest(self, self.exception_handlers).run(result)
  File "/usr/lib/python2.7/site-packages/testtools/runtest.py", line 74, in run
    return self._run_one(actual_result)
  File "/usr/lib/python2.7/site-packages/testtools/runtest.py", line 88, in _run_one
    return self._run_prepared_result(ExtendedToOriginalDecorator(result))
  File "/usr/lib/python2.7/site-packages/testtools/runtest.py", line 100, in _run_prepared_result
    self._run_core()
  File "/usr/lib/python2.7/site-packages/testtools/runtest.py", line 125, in _run_core
    self.case._run_test_method, self.result):
  File "/usr/lib/python2.7/site-packages/testtools/runtest.py", line 173, in _run_user
    return self._got_user_exception(sys.exc_info())
  File "/usr/lib/python2.7/site-packages/testtools/runtest.py", line 200, in _got_user_exception
    raise e
SystemExit: 0
-------------------- >> begin captured logging << --------------------
neutron.plugins.hyperv.agent.hyperv_neutron_agent: INFO: Agent initialized successfully, now running...