akanda-appliance stable/juno test.unit.drivers.test_hostname.HostnameTestCase test is failing

[Sean Roberts]

when running tox -e py27 on stable/juno, tox fails with
======================================================================
FAIL: test_update_hosts (test.unit.drivers.test_hostname.HostnameTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/sarob/code/akanda-appliance/test/unit/drivers/test_hostname.py", line 60, in test_update_hosts
    '\n'.join(expected))
  File "/Users/sarob/code/akanda-appliance/.tox/py27/lib/python2.7/site-packages/mock/mock.py", line 969, in assert_has_calls
    ), cause)
  File "/Users/sarob/code/akanda-appliance/.tox/py27/lib/python2.7/site-packages/six.py", line 692, in raise_from
    raise value
AssertionError: Calls not found.
Expected: call('/tmp/hosts', '127.0.0.1 localhost\n::1 localhost ip6-localhost ip6-loopback\nfdca:3ba5:a17a:acda:f816:3eff:fe66:33b6 akanda')
Actual: [call('/tmp/hosts', '127.0.0.1 localhost\n::1 localhost ip6-localhost ip6-loopback\nfdca:3ba5:a17a:acda:f816:3eff:fe66:33b6 akanda')]
>> raise AssertionError("Calls not found.\nExpected: call('/tmp/hosts', '127.0.0.1 localhost\\n::1 localhost ip6-localhost ip6-loopback\\nfdca:3ba5:a17a:acda:f816:3eff:fe66:33b6 akanda')\nActual: [call('/tmp/hosts', '127.0.0.1 localhost\\n::1 localhost ip6-localhost ip6-loopback\\nfdca:3ba5:a17a:acda:f816:3eff:fe66:33b6 akanda')]",)

it appears that the last change, https://review.openstack.org/#/c/195177, has broken the test

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/juno
Review: https://review.openstack.org/218840

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/218840
Committed: https://git.openstack.org/cgit/stackforge/akanda-appliance/commit/?id=b80677afb4ada4c512d89ab4aab91a7d5946262b
Submitter: Jenkins
Branch: stable/juno

commit b80677afb4ada4c512d89ab4aab91a7d5946262b
Author: Ryan Petrello <email address hidden>
Date: Mon Aug 31 08:55:00 2015 -0400

    Fix a failing hostname driver test case.

    Change-Id: Iba8bfc30d8cf197734cc5458031b9c18672a8957
    Fixes-bug: #1490331