Comment 7 for bug 1367743

Sahara test failed on another cluster configuration:

- Ubuntu/simple
- Nova/Flat without tagging
- 1 Controller
- 1 Compute

AssertionError:
===================================================
(nose_storage_plugin) <nose.suite.ContextSuite context=PlatformSaharaTests>:setup
Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/nose/suite.py", line 208, in run
    self.setUp()
  File "/usr/lib/python2.6/site-packages/nose/suite.py", line 291, in setUp
    self.setupContext(ancestor)
  File "/usr/lib/python2.6/site-packages/nose/suite.py", line 314, in setupContext
    try_run(context, names)
  File "/usr/lib/python2.6/site-packages/nose/util.py", line 469, in try_run
    return func()
  File "/usr/lib/python2.6/site-packages/fuel_health/sahara.py", line 36, in setUpClass
    super(SaharaTest, cls).setUpClass()
  File "/usr/lib/python2.6/site-packages/fuel_health/nmanager.py", line 392, in setUpClass
    super(NovaNetworkScenarioTest, cls).setUpClass()
  File "/usr/lib/python2.6/site-packages/fuel_health/test.py", line 87, in setUpClass
    assert not hasattr(cls, attr_name)
===========================================

{"build_id": "2014-09-11_01-04-40", "ostf_sha": "1de6ed1c0b72f6687ffb4bebc2c939b135a88e34", "build_number": "3", "auth_required": true, "api": "1.0", "nailgun_sha": "720e83bca37561fbc0452ad4e99f1f8cfe8e40cf", "production": "docker", "fuelmain_sha": "d899675a5a393625f8166b29099d26f45d527035", "astute_sha": "b622d9b36dbdd1e03b282b9ee5b7435ba649e711", "feature_groups": ["experimental"], "release": "5.1", "release_versions": {"2014.1.1-5.1": {"VERSION": {"build_id": "2014-09-11_01-04-40", "ostf_sha": "1de6ed1c0b72f6687ffb4bebc2c939b135a88e34", "build_number": "3", "api": "1.0", "nailgun_sha": "720e83bca37561fbc0452ad4e99f1f8cfe8e40cf", "production": "docker", "fuelmain_sha": "d899675a5a393625f8166b29099d26f45d527035", "astute_sha": "b622d9b36dbdd1e03b282b9ee5b7435ba649e711", "feature_groups": ["experimental"], "release": "5.1", "fuellib_sha": "6fc7ac9041894aa76b2e18d385149166e34f7b23"}}}, "fuellib_sha": "6fc7ac9041894aa76b2e18d385149166e34f7b23"}