class_docstr: Test utils.
class_docstr_tok: ["Test","utils","."]
docstr: Test that "yes" returns True.
docstr_tok: ["Test","that","``","yes","''","returns","True","."]
code: def test_str_to_bool_yes(self):
      """Test that "yes" returns True."""
      self.assertEqual(str_to_bool("yes"), True)
  
file_path: cltk/tests/test_utils.py
imports: import unittest
  from unittest.mock import patch
  from cltk.utils.utils import query_yes_no, str_to_bool
label_desc: Use image node_id 1 for calling the TestUtils obj's underlying member method code with example usage: obj.test_str_to_bool_yes() without return types