def test_show_policy_action_id(self):
        resource = 'policy_action'
        cmd = gbp.ShowPolicyAction(test_cli20.MyApp(sys.stdout), None)
        args = ['--fields', 'id', self.test_id]
        self._test_show_resource(resource, cmd, self.test_id, args, ['id'])
mutate single parameter of cfg in place
dataset/ETHPy150Open openstack/python-group-based-policy-client/gbpclient/tests/unit/test_cli20_policyaction.py/CLITestV20PolicyActionJSON.test_show_policy_action_id--crossover with--dataset/ETHPy150Open jansel/opentuner/opentuner/search/globalGA.py/NormalMutationMixin.mutate_param