'Test create_group_from_src with no volumes specified.'

def test_create_group_from_src_without_volumes(self):

    self.driver.do_setup(None)
    ctxt = context.get_admin_context()
    (model_update, volumes_model_update) = self.driver.create_group_from_src(ctxt, GROUP, [], GROUP_SNAPSHOT, [])
    if model_update:
        self.assertEqual(fields.GroupStatus.AVAILABLE, model_update['status'], 'Group    create    from    source    failed')
    if volumes_model_update:
        self.assertFalse(volumes_model_update, 'volumes    list    is    not    empty')
