'Should be a no-op.'

def test_map_volume_to_host_volume_already_mapped(self):

    self.mock_object(host_mapper, 'map_volume_to_multiple_hosts', return_value=eseries_fake.VOLUME_MAPPING)
    self.library.map_volume_to_host(get_fake_volume(), eseries_fake.VOLUME, eseries_fake.INITIATOR_NAME)
    self.assertTrue(host_mapper.map_volume_to_multiple_hosts.called)
