code: def setUp(self):
      super().setUp()
      audio_path = (
          os.getcwd()
          + "/../src/test/resources/audio/csv/audio_floats.csv"
      )
      self.audio_data = list()
      audio_file = open(audio_path, "r")
      csv_lines = audio_file.readlines()
      for csv_line in csv_lines:
          clean_line = float(csv_line.split(",")[0])
          self.audio_data.append(clean_line)
  
imports: import unittest
  import os
  import pytest
  from pyspark.sql.functions import col
  from sparknlp.annotator import *
  from sparknlp.base import *
  from test.util import SparkSessionForTest
label_desc: Use image node_id 1 for calling the LightHubertForCTCOneAudioTestSpec obj's underlying member method code with example usage: obj.setUp() without return types