Can't run test_localization_tests by themselves

[Matt Dietz]

======================================================================
ERROR: <nose.suite.ContextSuite context=nova.tests.test_localization>
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/local/lib/python2.6/dist-packages/nose/suite.py", line 208, in run
    self.setUp()
  File "/usr/local/lib/python2.6/dist-packages/nose/suite.py", line 291, in setUp
    self.setupContext(ancestor)
  File "/usr/local/lib/python2.6/dist-packages/nose/suite.py", line 314, in setupContext
    try_run(context, names)
  File "/usr/local/lib/python2.6/dist-packages/nose/util.py", line 478, in try_run
    return func()
  File "/root/code/nova/xs_resize/nova/tests/__init__.py", line 65, in setup
    cleandb = os.path.join(FLAGS.state_path, FLAGS.sqlite_clean_db)
  File "/root/code/nova/xs_resize/nova/flags.py", line 139, in __getattr__
    val = gflags.FlagValues.__getattr__(self, name)
  File "/usr/local/lib/python2.6/dist-packages/gflags.py", line 810, in __getattr__
    raise AttributeError(name)
AttributeError: sqlite_clean_db

The flag for sqlite_clean_db is defined in nova/test.py. but test_localization doesn't import test