How to use the xenon.api function in xenon

def test_api(self):
        httpretty.register_uri(
            httpretty.POST,
            'http://api.barium.cc/jobs',
            body='{"message":"Resource creation started",'
                 '"url":"http://barium.cc/jobs/5722"}'
        )
        response = api.post(
            url=Arguments.url,
            repo_token=Arguments.repo_token,
            service_job_id=Arguments.service_job_id,
            service_name=Arguments.service_name,
            git={},
            cc_data={}
        )
        self.assertEqual(response.json(),
                         {'url': 'http://barium.cc/jobs/5722',
                          'message': 'Resource creation started'})