def METHOD_NAME(self):
    self.pg.setregion(3, 3)
    positions = []
    ps = positions[:]
    self.assertItemsEqual(ps, self.pg.addneighbourposition(positions, [9, 9]))
    ps.append([1, 1])
    self.assertItemsEqual(ps, self.pg.addneighbourposition(positions, [1, 1]))