code: def test_default_bar_character_is_properly_step(self):
      smaller_bar_length = ProgressBarTest.BAR_LENGTH - 1
      progress_bar = ProgressBar(
          steps=smaller_bar_length,
          bar_length=ProgressBarTest.BAR_LENGTH,
          bar_character="#",
          partial_bar_characters=[" "],
      )
  
      progress_bar.update()
      self.assertEqual(
          progress_bar.progress_bar_formatting().strip(), "#"
      )
  
file_path: poutyne/tests/framework/callbacks/test_progress_bar.py
imports: from unittest import TestCase
  from poutyne import ProgressBar
label_desc: Use image node_id 1 for calling the ProgressBarTest obj's underlying member method code with example usage: obj.test_default_bar_character_is_properly_step() without return types