Comment 6 for bug 872887

Testscenarios also doesn't work when using it's loader:

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ERROR: Adapter test runner load hooks to call generate_scenarios.
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Traceback (most recent call last):
  File "/home/akornienko/projects/ceilometer/.tox/py27/local/lib/python2.7/site-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/home/akornienko/projects/ceilometer/.tox/py27/local/lib/python2.7/site-packages/nose/util.py", line 613, in newfunc
    return func(*arg, **kw)
  File "/home/akornienko/projects/ceilometer/.tox/py27/local/lib/python2.7/site-packages/testscenarios/scenarios.py", line 106, in load_tests_apply_scenarios
    if getattr(params[0], 'suiteClass', None) is not None:
IndexError: tuple index out of range