code: def test_invalid_conf_ranges(self, conf):
      # Test with invalid confidence values
      with pytest.raises(ValueError):
          get_ctm_line(
              source="test_source",
              channel=1,
              start_time=0.123,
              duration=0.456,
              token="word",
              conf=conf,
              type_of_token="lex",
              speaker="speaker1",
          )
  
imports: import os
  import numpy
  import pytest
  import torch
  from omegaconf import DictConfig
  from nemo.collections.asr.parts.utils.data_simulation_utils import DataAnnotator, SpeechSampler, add_silence_to_alignments, binary_search_alignments, get_cleaned_base_path, get_split_points_in_alignments, normalize_audio, read_noise_manifest
  from nemo.collections.asr.parts.utils.manifest_utils import get_ctm_line
label_desc: Use image node_id 3 for calling the TestGetCtmLine obj's underlying member method code with example usage: obj.test_invalid_conf_ranges(conf) without return types