code: def forward(self, x):
      x = self.layer(x)
      x = self.class_layer(x)
      return x
  
imports: from __future__ import annotations
  import unittest
  import numpy
  import torch
  from parameterized import parameterized
  from monai.networks.utils import copy_model_state
  from monai.utils import set_determinism
label_desc: Use image node_id 2 for calling the _TestModelOne obj's underlying member method code with example usage: obj.forward(x) and returns: x