'Testing Envelope expand_to_include -- point as two parameters.'

def test04_expand_to_include_pt_2_params(self):

    self.e.expand_to_include(2, 6)
    self.assertEqual((0, 0, 5, 6), self.e)
    self.e.expand_to_include((-1), (-1))
    self.assertEqual(((-1), (-1), 5, 6), self.e)
