test_KillFilter fails on Fedora 17

[Dan Prince]

As of 8fe25a36171f13d2c9413b3693e982169bdb32ff I'm seeing the following tests failure on Fedora 17:

======================================================================
FAIL: test_KillFilter (nova.tests.test_nova_rootwrap.RootwrapTestCase)
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Traceback (most recent call last):
  File "/home/dprince/projects/nova/nova/test.py", line 86, in _skipper
    func(*args, **kw)
  File "/home/dprince/projects/nova/nova/tests/test_nova_rootwrap.py", line 92, in test_KillFilter
    self.assertTrue(f.match(usercmd))
AssertionError: False is not true
    'False is not true' = self._formatMessage('False is not true', "%s is not true" % safe_repr(False))
>> raise self.failureException('False is not true')

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/8940

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/8940
Committed: http://github.com/openstack/nova/commit/cf99107321c891565ab97f49193b81419abf3d66
Submitter: Jenkins
Branch: master

commit cf99107321c891565ab97f49193b81419abf3d66
Author: Dan Prince <email address hidden>
Date: Mon Jun 25 12:29:36 2012 -0400

    Another killfilter test fix for Fedora 17.

    Updates killfilter test to use /usr/bin/sleep in addition to /bin/sleep.

    Fixes LP Bug #1017585.

    Change-Id: Ied0a8837fb0e7ca7fa3629859fbd67f71e5d80dc