code: def test_get_time_str():
      base = 1679875200  # 2023-03-27 00:00:00
  
      assert _get_time_str(base, base) == ("2023-03-27 00:00:00", "0s")
      assert _get_time_str(base, base + 15) == (
          "2023-03-27 00:00:15",
          "15s",
      )
      assert _get_time_str(base, base + 60) == (
          "2023-03-27 00:01:00",
          "1min 0s",
      )
      assert _get_time_str(base, base + 65) == (
          "2023-03-27 00:01:05",
          "1min 5s",
      )
      assert _get_time_str(base, base + 3600) == (
          "2023-03-27 01:00:00",
          "1hr 0min 0s",
      )
      assert _get_time_str(base, base + 3605) == (
          "2023-03-27 01:00:05",
          "1hr 0min 5s",
      )
      assert _get_time_str(base, base + 3660) == (
          "2023-03-27 01:01:00",
          "1hr 1min 0s",
      )
      assert _get_time_str(base, base + 86400) == (
          "2023-03-28 00:00:00",
          "1d 0hr 0min 0s",
      )
  
imports: import argparse
  from unittest import mock
  import pytest
  import sys
  from freezegun import freeze_time
  from ray import tune
  from ray.air.constants import TRAINING_ITERATION
  from ray.tune.experimental.output import _get_time_str, _get_trials_by_state, _get_trial_info, _infer_user_metrics, _max_len, _current_best_trial, _best_trial_str, _get_trial_table_data, _get_dict_as_table_data, _infer_params, AirVerbosity, TrainReporter, TuneTerminalReporter
  from ray.tune.experiment.trial import Trial
label_desc: Use image node_id 1 for calling a global function with example usage: test_get_time_str() without return types