'Setting the sign on a coordinate sets the sign of the value of the
coordinate.'

def test_sign(self):

    c = base.Coordinate(50.0, Angles.LATITUDE)
    c.setSign(1)
    self.assertEqual(c.inDecimalDegrees, 50.0)
    c.setSign((-1))
    self.assertEqual(c.inDecimalDegrees, (-50.0))
