'Test setup with missing topic.'

def test_apns_setup_missing_topic(self):

    config = {'notify': {'platform': 'apns', 'name': 'test_app', 'cert_file': 'test_app.pem'}}
    with assert_setup_component(0) as handle_config:
        assert setup_component(self.hass, notify.DOMAIN, config)
    assert (not handle_config[notify.DOMAIN])
