code: def test_draw_boxes():
      image = np.ones((256, 256, 3), dtype=np.float32)
      boxes = [
          [0.1, 0.1, 0.2, 0.2],
          [0.15, 0.15, 0.19, 0.2],  # to suppress
          [0.5, 0.5, 0.6, 0.55],
          [0.55, 0.5, 0.7, 0.55],  # to suppress
      ]
      visualization.draw_boxes(
          boxes=np.array(boxes), image=image, block=False
      )
  
imports: import numpy
  import pytest
  from test_io_elements import _mock_pages
  from doctr.utils import visualization
label_desc: Use image node_id 3 for calling a global function with example usage: test_draw_boxes() without return types