def METHOD_NAME(self):
    l = "bar"
    self.pg.createlayer(l)
    self.pg.layers[l][0][0] = 0
    self.assertNotEqual(101, self.pg.layers[l][0][0])
    self.pg.setcellvalue(l, [0, 0], 101)
    self.assertEqual(101, self.pg.getcellvalue(l, [0, 0]))