code: def test_non_normalized_glcm(self):
      img = (np.random.random((100, 100)) * 8).astype(np.uint8)
      p = graycomatrix(img, [1, 2, 4, 5], [0, 0.25, 1, 1.5], levels=8)
      np.testing.assert_(np.max(graycoprops(p, "correlation")) < 1.0)
  
imports: import numpy
  import pytest
  from skimage._shared.testing import expected_warnings, run_in_parallel
  from skimage.feature import graycomatrix, graycoprops, local_binary_pattern, multiblock_lbp
  from skimage.transform import integral_image
label_desc: Use image node_id 16 for calling the TestGLCM obj's underlying member method code with example usage: obj.test_non_normalized_glcm() without return types