def test_GGA(self):
        """
        GGA sentence data is unused when there is no fix.
        """
        sentenceData = {'type': 'GPGGA',
                        'altitude': '545.4',
                        'fixQuality': nmea.GPGGAFixQualities.INVALID_FIX}

        self._invalidFixTest(sentenceData)

        GGA sentence data is unused when there is no fix.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/positioning/test/test_nmea.py