Run test case ShellTest.test_password failed

[David Geng]

Fail to run test case in my commit(https://review.openstack.org/#/c/26365/), but I have no related in my local development env:
2013-04-08 12:51:29.908 | FAIL: tests.test_shell.ShellTest.test_password
2013-04-08 12:51:29.908 | tags: worker-0
2013-04-08 12:51:29.908 | ----------------------------------------------------------------------
2013-04-08 12:51:29.909 | Traceback (most recent call last):
2013-04-08 12:51:29.909 | File "/home/jenkins/workspace/gate-python-novaclient-python26/.tox/py26/lib/python2.6/site-packages/mock.py", line 1201, in patched
2013-04-08 12:51:29.909 | return func(*args, **keywargs)
2013-04-08 12:51:29.909 | File "/home/jenkins/workspace/gate-python-novaclient-python26/tests/test_shell.py", line 153, in test_password
2013-04-08 12:51:29.909 | self.assertEqual((stdout + stderr), '\n')
2013-04-08 12:51:29.909 | MismatchError: !=:
2013-04-08 12:51:29.909 | reference = '''\
2013-04-08 12:51:29.909 | +----+------+--------+----------+
2013-04-08 12:51:29.909 | | ID | Name | Status | Networks |
2013-04-08 12:51:29.909 | +----+------+--------+----------+
2013-04-08 12:51:29.909 | +----+------+--------+----------+
2013-04-08 12:51:29.909 | '''
2013-04-08 12:51:29.909 | actual = '''\
2013-04-08 12:51:29.909 |
2013-04-08 12:51:29.909 | '''
2013-04-08 12:51:29.910 | Found more than one valid endpoint. Use a more restrictive filter
2013-04-08 12:51:29.910 | Ran 444 tests in 20.381s
2013-04-08 12:51:29.910 | FAILED (id=0, failures=1)
2013-04-08 12:51:29.910 | error: testr failed (1)
2013-04-08 12:51:29.981 | ERROR: InvocationError: '/home/jenkins/workspace/gate-python-novaclient-python26/.tox/py26/bin/python setup.py testr --testr-args='
2013-04-08 12:51:29.981 | ___________________________________ summary ____________________________________
2013-04-08 12:51:29.981 | ERROR: py26: commands failed
2013-04-08 12:51:30.000 | + result=1