def METHOD_NAME(self):
    # Verifies provider is used as backup if api-version not specified.
    from azure.cli.core.mock import DummyCli
    cli = DummyCli()
    rcf = self._get_mock_client()
    res_utils = _ResourceUtils(cli, resource_type='Mock/test', resource_name='vnet1',
                               resource_group_name='rg', rcf=rcf)
    self.assertEqual(res_utils.api_version, "2016-01-01")