code: def test_get_image(self):
      x = cellprofiler_core.image.ImageSet(0, {}, {})
      x.add(
          "image", cellprofiler_core.image.Image(numpy.zeros((10, 20)))
      )
      image = x.get_image("image")
      assert tuple(image.pixel_data.shape) == (10, 20)
  
file_path: CellProfiler/tests/core/image/test_image_set.py
imports: import numpy
  import pytest
  import cellprofiler_core.image
label_desc: Use image node_id 2 for calling the TestImageSet obj's underlying member method code with example usage: obj.test_get_image() without return types