code: def test_cntk_302a_evaluation_superresolution_noErrors(nb):
      if os.getenv("OS") == "Windows_NT" and sys.version_info[0] == 2:
          pytest.skip(
              "tests with Python 2.7 on Windows are not stable in the CI environment. "
          )
      errors = [
          output
          for cell in nb.cells
          if "outputs" in cell
          for output in cell["outputs"]
          if output.output_type == "error"
      ]
      assert errors == []
      assert os.path.exists(os.path.join(datadir, "example_images"))
      assert os.path.exists(os.path.join(datadir, "example_results"))
  
      assert (
          len(os.listdir(os.path.join(datadir, "example_images"))) > 0
      )
      assert (
          len(os.listdir(os.path.join(datadir, "example_results"))) > 0
      )
  
      results = os.path.join(datadir, "example_results")
  
      for folder in os.listdir(results):
          assert os.path.isdir(os.path.join(results, folder))
          assert len(os.listdir(os.path.join(results, folder))) > 0
  
imports: import os
  import sys
  import pytest
  import re
  import numpy
label_desc: Use image node_id 1 for calling a global function with example usage: test_cntk_302a_evaluation_superresolution_noErrors(nb) without return types