code: def test_log_config(self):
      config = {"a": 1}
      saved_config = self.logger.log_config(config)
      assert saved_config == config
  
      config = {"b": 2}
      saved_config = self.logger.log_config(config)
      assert saved_config == {"a": 1, "b": 2}
  
file_path: datmo/datmo/tests/test_logger.py
imports: import os
  import tempfile
  import platform
  from datmo.logger import Logger
label_desc: Use image node_id 3 for calling the TestLoggerModule obj's underlying member method code with example usage: obj.test_log_config() without return types