'Test that a get of the unversioned url returns the choices doc.
A key feature in OpenStack services is the idea that you can
GET / on the service and get a list of the versioned endpoints
that you can access. This comes back as a status 300
request. It\'s important that this is available to API
consumers to discover the API they can use.'

@decorators.idempotent_id('6c0a0990-43b6-4529-9b61-5fd8daf7c55c')
@decorators.attr(type='smoke')
def test_list_api_versions(self):

    result = self.versions_client.list_versions()
    versions = result['versions']
    self.assertEqual(versions[0]['id'], 'v2.0', 'The    first    listed    version    should    be    v2.0')
