code: def image_array_3bands():
      arr = np.array(
          [
              [
                  [0, 1, 7, 6, 2],
                  [6, 7, 1, 1, 3],
                  [8, 5, 8, 1, 8],
                  [9, 3, 3, 7, 0],
              ],
              [
                  [9, 6, 8, 5, 9],
                  [0, 7, 5, 2, 8],
                  [2, 0, 9, 1, 9],
                  [5, 4, 6, 1, 6],
              ],
              [
                  [0, 5, 0, 2, 7],
                  [2, 1, 6, 5, 7],
                  [1, 3, 2, 0, 7],
                  [5, 4, 4, 2, 2],
              ],
          ]
      )
      return arr
  
imports: import os
  import numpy
  import pytest
  from affine import Affine
  import rasterio
  import geopandas
  from shapely.geometry import Polygon
label_desc: Use image node_id 14 for calling a global function with example usage: image_array_3bands() and returns: arr