def test_args_v2(self):
        args = self.args
        args.os_auth_url = 'authurl'
        args.os_username = 'username'
        args.os_password = 'password'
        args.os_tenant_name = 'tenant'
        args.auth = 'auth'
        assert zpm._guess_auth_version(args) == '2.0'