code: def test_unsupported_mode():
      with testing.raises(ValueError):
          BRIEF(mode="foobar")
  
file_path: scikit-image/skimage/feature/tests/test_brief.py
imports: import pytest
  import copy
  import numpy
  from skimage._shared.testing import assert_array_equal
  from skimage import data
  from skimage.feature import BRIEF, corner_peaks, corner_harris
  from skimage._shared import testing
label_desc: Use image node_id 4 for calling a global function with example usage: test_unsupported_mode() without return types