code: def _get_config(self, accumulate_grad_batches, max_steps, batch_size):
      config = {
          "trainer": {
              "params": {
                  "accumulate_grad_batches": accumulate_grad_batches,
                  "max_steps": max_steps,
              }
          },
          "training": {"batch_size": batch_size},
      }
      return get_config_with_defaults(config)
  
imports: import unittest
  from unittest.mock import patch
  import torch
  from tests.trainers.test_utils import get_config_with_defaults, get_lightning_trainer
label_desc: Use image node_id 2 for calling the TestLightningTrainerGradAccumulate obj's underlying member method code with example usage: obj._get_config(accumulate_grad_batches, max_steps, batch_size) and returns: get_config_with_defaults