'Verify that the volume hosts are returned.'

def test_list_hosts(self):

    actual = self.controller.index(self.req)
    expected = {'availabilityZoneInfo': [{'zoneName': 'ping', 'zoneState': {'available': True}}, {'zoneName': 'pong', 'zoneState': {'available': False}}]}
    self.assertEqual(expected, actual)
