'Test initialization of distance models.'

def test_init(self):

    self.assertEqual(9, SouthTexasCity.objects.count())
    self.assertEqual(9, SouthTexasCityFt.objects.count())
    self.assertEqual(11, AustraliaCity.objects.count())
    self.assertEqual(4, SouthTexasZipcode.objects.count())
    self.assertEqual(4, CensusZipcode.objects.count())
    self.assertEqual(1, Interstate.objects.count())
    self.assertEqual(1, SouthTexasInterstate.objects.count())
