Test check_cobler_alive failed with local variable 'result' referenced before assignment

[Tatyanka]

https://product-ci.infra.mirantis.net/job/8.0.system_test.ubuntu.thread_1/4/testReport/(root)/test_cobbler_alive/test_cobbler_alive/

local variable 'result' referenced before assignment

Traceback (most recent call last):
  File "/usr/lib/python2.7/unittest/case.py", line 331, in run
    testMethod()
  File "/usr/lib/python2.7/unittest/case.py", line 1043, in runTest
    self._testFunc()
  File "/home/jenkins/venv-nailgun-tests-2.9/local/lib/python2.7/site-packages/proboscis/case.py", line 296, in testng_method_mistake_capture_func
    compatability.capture_type_error(s_func)
  File "/home/jenkins/venv-nailgun-tests-2.9/local/lib/python2.7/site-packages/proboscis/compatability/exceptions_2_6.py", line 27, in capture_type_error
    func()
  File "/home/jenkins/venv-nailgun-tests-2.9/local/lib/python2.7/site-packages/proboscis/case.py", line 350, in func
    func(test_case.state.get_state())
  File "/home/jenkins/workspace/8.0.system_test.ubuntu.thread_1/fuelweb_test/helpers/decorators.py", line 80, in wrapper
    result = func(*args, **kwargs)
  File "/home/jenkins/workspace/8.0.system_test.ubuntu.thread_1/fuelweb_test/tests/test_admin_node.py", line 62, in test_cobbler_alive
    config = self.env.get_fuel_settings()
  File "/home/jenkins/workspace/8.0.system_test.ubuntu.thread_1/fuelweb_test/models/environment.py", line 509, in get_fuel_settings
    if result['exit_code'] == 0:
UnboundLocalError: local variable 'result' referenced before assignment

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/230920

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/230920
Committed: https://git.openstack.org/cgit/stackforge/fuel-qa/commit/?id=82bfc2e57faa88c818b66e969014a479a7e8673a
Submitter: Jenkins
Branch: master

commit 82bfc2e57faa88c818b66e969014a479a7e8673a
Author: vgorin <email address hidden>
Date: Mon Oct 5 13:09:28 2015 +0300

    Fix problem with local variable 'result' with referenced before assignment

    Move get_admin_settings to action.admin_actions

    Change-Id: I649135a1c33bd64be555906ce8863e7b37244844
    Closes-Bug: #1500828