'Test GeoQuerySet.kml() with Z values.'

def test_kml(self):

    self._load_city_data()
    h = City3D.objects.kml(precision=6).get(name=u'Houston')
    ref_kml_regex = re.compile(u'^<Point><coordinates>-95.363\\d+,29.763\\d+,18</coordinates></Point>$')
    self.assertTrue(ref_kml_regex.match(h.kml))
