code: def test_output_handler_both():
      wrapper = OutputHandler(
          "tag",
          metric_names=["a", "b"],
          output_transform=lambda x: {"loss": x},
      )
      mock_logger = MagicMock(spec=WandBLogger)
      mock_logger.log = MagicMock()
  
      mock_engine = MagicMock()
      mock_engine.state = State(metrics={"a": 12.23, "b": 23.45})
      mock_engine.state.epoch = 5
      mock_engine.state.output = 12345
  
      wrapper(mock_engine, mock_logger, Events.EPOCH_STARTED)
  
      mock_logger.log.assert_called_once_with(
          {"tag/a": 12.23, "tag/b": 23.45, "tag/loss": 12345},
          step=5,
          sync=None,
      )
  
file_path: ignite/tests/ignite/contrib/handlers/test_wandb_logger.py
imports: from unittest.mock import call, MagicMock
  import pytest
  import torch
  from ignite.contrib.handlers.wandb_logger import global_step_from_engine, OptimizerParamsHandler, OutputHandler, WandBLogger
  from ignite.engine import Events, State
label_desc: Use image node_id 7 for calling a global function with example usage: test_output_handler_both() without return types