code: def test_getattr_method():
      # Create a mock SummaryWriter object
      mock_writer = MagicMock()
      # Assign the mock object to the writer attribute of a TensorboardLoggerinstance
      logger = TensorboardLogger()
      logger.writer = mock_writer
      # Test that a method passed through the __getattr__ method calls thecorresponding method on the mock object
      logger.add_scalar("loss", 0.5)
      mock_writer.add_scalar.assert_called_once_with("loss", 0.5)
  
imports: import math
  import os
  from unittest.mock import ANY, call, MagicMock, patch
  import pytest
  import torch
  from ignite.contrib.handlers.tensorboard_logger import global_step_from_engine, GradsHistHandler, GradsScalarHandler, OptimizerParamsHandler, OutputHandler, TensorboardLogger, WeightsHistHandler, WeightsScalarHandler
  from ignite.engine import Engine, Events, State
label_desc: Use image node_id 2 for calling a global function with example usage: test_getattr_method() without return types