def test_heightOfGeoidAboveWGS84(self):
        """
        The NMEA representation of an altitude of the geoid (above the
        WGS84 reference level) is correctly converted.
        """
        key, value = 'heightOfGeoidAboveWGS84', '46.9'
        altitude = base.Altitude(float(value))
        self._fixerTest({key: value}, {key: altitude})

        The NMEA representation of an altitude of the geoid (above the
        WGS84 reference level) is correctly converted.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/positioning/test/test_nmea.py