code: def image_array_2bands():
      """Simple array of shape 2,4,5 with fixded values."""
      arr = np.array(
          [
              [
                  [5, 3, 3, 3, 3],
                  [6, 0, 0, 6, 7],
                  [9, 6, 8, 9, 6],
                  [1, 0, 4, 9, 0],
              ],
              [
                  [1, 5, 2, 2, 5],
                  [1, 6, 5, 1, 0],
                  [0, 8, 0, 5, 3],
                  [0, 7, 3, 6, 7],
              ],
          ]
      )
      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 13 for calling a global function with example usage: image_array_2bands() and returns: arr