code: def test_run(image, module, image_set, workspace):
      module.x_name.value = "example"
  
      module.y_name.value = "MedianFilter"
  
      module.window.value = 3
  
      module.run(workspace)
  
      actual = image_set.get_image("MedianFilter")
  
      desired = scipy.signal.medfilt(image.pixel_data, 3)
  
      numpy.testing.assert_array_almost_equal(
          actual.pixel_data, desired
      )
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_run(image, module, image_set, workspace) without return types