code: def test_max_radius():
      labels = numpy.zeros((20, 10), int)
      labels[3:8, 3:6] = 1
      labels[11:19, 2:7] = 2
      workspace, module = make_workspace(labels)
      module.run(workspace)
      m = workspace.measurements
      max_radius = m.get_current_measurement(
          OBJECTS_NAME,
          cellprofiler.modules.measureobjectsizeshape.AREA_SHAPE
          + "_"
          + cellprofiler.modules.measureobjectsizeshape.F_MAXIMUM_RADIUS,
      )
      assert len(max_radius) == 2
      assert max_radius[0] == 2
      assert max_radius[1] == 3
  
imports: import io
  import os
  import numpy
  import skimage.io
  import cellprofiler_core.image
  import cellprofiler_core.measurement
  import cellprofiler_core.modules.injectimage
  import cellprofiler.modules.measureobjectsizeshape
  import cellprofiler_core.object
  import cellprofiler_core.pipeline
  import cellprofiler_core.preferences
  import cellprofiler_core.workspace
  from cellprofiler_core.constants.measurement import COLTYPE_FLOAT
  import tests.frontend
  import tests.frontend.modules
label_desc: Use image node_id 12 for calling a global function with example usage: test_max_radius() without return types