code: def forward(self, x):
      return self.conv2(torch.nn.functional.relu(self.conv1(x)))
  
file_path: MONAI/tests/test_lr_scheduler.py
imports: from __future__ import annotations
  import unittest
  import torch
  from parameterized import parameterized
  from monai.optimizers.lr_scheduler import WarmupCosineSchedule
label_desc: Use image node_id 2 for calling the SchedulerTestNet obj's underlying member method code with example usage: obj.forward(x) and returns: self