code: def test_texts_from_csv_int_bert(self):
      (trn, val, preproc) = texts_from_csv_int(preprocess_mode="bert")
      self.__test_texts_bert(trn, val, preproc)
  
imports: import os.path
  from unittest import TestCase, main, skip
  import testenv
  import ktrain
  from ktrain import text
  from ktrain import utils
  from ktrain import vision
label_desc: Use image node_id 8 for calling the TestTextData obj's underlying member method code with example usage: obj.test_texts_from_csv_int_bert() without return types