docstr: Tests that an exception is thrown if more than one log file is found.
docstr_tok: ["Tests","that","an","exception","is","thrown","if","more","than","one","log","file","is","found","."]
code: def test_more_than_one_eventlog_per_dir(self):
      """Tests that an exception is thrown if more than one log file is found."""
      with self.assertRaises(AssertionError):
          utils.find_event_log(
              os.path.join(TEST_DATA, "event_log_too_many")
          )
  
file_path: agents/tf_agents/benchmark/utils_test.py
imports: import os
  import tensorflow
  from tf_agents.benchmark import utils
  from tf_agents.utils import test_utils
label_desc: Use image node_id 4 for calling the UtilsTest obj's underlying member method code with example usage: obj.test_more_than_one_eventlog_per_dir() without return types