old_contents: import os
  
  from ..vectorize_config_parser import parse
  
  import pytest
  
  def test_parse():
      with open(os.path.abspath(os.path.join(__file__, '..', '..', 'vectorize_config_default.txt'))) as fp:
          observed = parse(fp)
          assert observed == {}
  
new_contents: import os
  
  from ..vectorize_config_parser import parse
  
  import pytest
  
  def test_parse():
      expected = {
          'basecolors': [
               [205, 200, 186],
               [194, 175, 170],
               [191, 172, 167],
               [185, 172, 163],
               [180, 185, 163],
               [178, 179, 157],
               [207, 202, 182],
               [197, 193, 157],
               [178, 181, 172]
          ],
          'brightness': -50,
          'contrast': 95,
          'thresholdblack': 160,
          'thresholdwhite': 255,
      }
      with open(os.path.abspath(os.path.join(__file__, '..', '..', 'vectorize_config_default.txt'))) as fp:
          observed = parse(fp)
          assert observed == expected
  
subject: add the expectation