code: def test_merge_overlapping_boxes(self):
      x_range = (-1, 1)
      y_range = (-2, 2)
      z_range = (-3, 3)
      interior_box = box_utils.CoordinateBox(x_range, y_range, z_range)
  
      x_range = (-10, 10)
      y_range = (-20, 20)
      z_range = (-30, 30)
      box = box_utils.CoordinateBox(x_range, y_range, z_range)
      boxes = [interior_box, box]
      merged_boxes = box_utils.merge_overlapping_boxes(boxes)
      assert len(merged_boxes) == 1
  
      x_range = (-10, 10)
      y_range = (-20, 20)
      z_range = (-30, 30)
      box1 = box_utils.CoordinateBox(x_range, y_range, z_range)
  
      x_range = (-11, 9)
      y_range = (-20, 20)
      z_range = (-30, 30)
      box2 = box_utils.CoordinateBox(x_range, y_range, z_range)
      boxes = [box1, box2]
      merged_boxes = box_utils.merge_overlapping_boxes(boxes)
      assert len(merged_boxes) == 1
  
      box1 = box_utils.CoordinateBox((0, 1), (0, 1), (0, 1))
      box2 = box_utils.CoordinateBox((2, 3), (2, 3), (2, 3))
      boxes = [box1, box2]
      merged_boxes = box_utils.merge_overlapping_boxes(boxes)
      assert len(merged_boxes) == 2
  
      box1 = box_utils.CoordinateBox((1, 2), (1, 2), (1, 2))
      box2 = box_utils.CoordinateBox((1, 3), (1, 3), (1, 3))
      boxes = [box1, box2]
      merged_boxes = box_utils.merge_overlapping_boxes(boxes)
      assert len(merged_boxes) == 1
      assert merged_boxes[0] == box_utils.CoordinateBox(
          (1, 3), (1, 3), (1, 3)
      )
  
      box1 = box_utils.CoordinateBox((1, 3), (1, 3), (1, 3))
      box2 = box_utils.CoordinateBox((1, 2), (1, 2), (1, 2))
      boxes = [box1, box2]
      merged_boxes = box_utils.merge_overlapping_boxes(boxes)
      assert len(merged_boxes) == 1
      assert merged_boxes[0] == box_utils.CoordinateBox(
          (1, 3), (1, 3), (1, 3)
      )
  
      box1 = box_utils.CoordinateBox((1, 3), (1, 3), (1, 3))
      box2 = box_utils.CoordinateBox((1, 2), (1, 2), (1, 2))
      box3 = box_utils.CoordinateBox((1, 2.5), (1, 2.5), (1, 2.5))
      boxes = [box1, box2, box3]
      merged_boxes = box_utils.merge_overlapping_boxes(boxes)
      assert len(merged_boxes) == 1
      assert merged_boxes[0] == box_utils.CoordinateBox(
          (1, 3), (1, 3), (1, 3)
      )
  
file_path: deepchem/deepchem/utils/test/test_coordinate_box_utils.py
imports: import numpy
  import unittest
  from deepchem.utils import coordinate_box_utils
label_desc: Use image node_id 10 for calling the TestCoordinateBoxUtils obj's underlying member method code with example usage: obj.test_merge_overlapping_boxes() without return types