def METHOD_NAME(self):
    lv = ZeroLinearOperator(5, 4, 3)
    res_one = lv[0].to_dense()
    self.assertLess(torch.norm(res_one - torch.zeros(4, 3)), 1e-4)
    res_two = lv[:, 1, :]
    self.assertLess(torch.norm(res_two - torch.zeros(5, 3)), 1e-4)
    res_three = lv[:, :, 2]
    self.assertLess(torch.norm(res_three - torch.zeros(5, 4)), 1e-4)