code: def generate_test_006():
      points = [
          (1, 1),
          (1, 49),
          (2, 1),
          (2, 49),
          (4, 1),
          (4, 49),
          (8, 1),
          (8, 49),
          (16, 1),
          (16, 49),
          (32, 1),
          (32, 49),
          (49, 1),
          (49, 49),
      ]
      return points, "test_006"
  
imports: import os
  import xarray
  import datashader
  import pandas
  import numpy
  import pytest
label_desc: Use image node_id 13 for calling a global function with example usage: generate_test_006() and returns: points,  str