'You can set the PDOP value to value inconsisted with HDOP and VDOP
when not checking the invariant.'

def test_setDOPWithoutInvariant(self):

    pe = base.PositionError(hdop=1.0, vdop=1.0)
    pe.pdop = 100.0
    self.assertEqual(pe.pdop, 100.0)
