docstr: Test conv2d bn activation  layer.
docstr_tok: ["Test","conv2d","bn","activation","layer","."]
code: def test_conv2d_bn_activation(self):
      """
      Test conv2d bn activation  layer.
      """
      x = torch.randn(1, 3, 4, 4)
      model = Conv2dBNActivation(
          in_planes=3,
          out_planes=3,
          kernel_size=(2, 2),
          padding=(1, 1),
          stride=(1, 1),
          norm_layer=nn.BatchNorm2d,
          activation_layer=nn.ReLU,
      )
      y = model(x)
      # print(y.shape)
      self.assertTrue(y.shape == torch.Size([1, 3, 5, 5]))
  
imports: import torch
  from torch import nn
  import unittest
  from towhee.models.layers.conv_bn_activation import Conv2dBNActivation, Conv3DBNActivation
label_desc: Use image node_id 1 for calling the ConvBNActivationTest obj's underlying member method code with example usage: obj.test_conv2d_bn_activation() without return types