code: def test_simple_relu_activation(self) -> None:
      net = BasicModel_MultiLayer()
      inp = torch.tensor([[3.0, 4.0, 0.0]], requires_grad=True)
      self._layer_activation_test_assert(
          net, net.relu, inp, [[0.0, 8.0, 8.0, 8.0]]
      )
  
imports: import unittest
  from typing import Any, List, Tuple, Union
  import torch
  import torch.nn
  from captum.attr._core.layer.layer_activation import LayerActivation
  from tests.helpers.basic import assertTensorAlmostEqual, assertTensorTuplesAlmostEqual, BaseTest
  from tests.helpers.basic_models import BasicModel_MultiLayer, BasicModel_MultiLayer_MultiInput, Conv1dSeqModel
  from torch import Tensor
  from torch.nn import Module
label_desc: Use image node_id 6 for calling the Test obj's underlying member method code with example usage: obj.test_simple_relu_activation() without return types