code: def test_distance_minima(self):
      parents = numpy.zeros((11, 11), dtype=numpy.uint8)
  
      children = numpy.zeros_like(parents)
  
      parents[1:10, 1:10] = 1
  
      children[2:3, 2:3] = 1
  
      children[3:8, 3:8] = 2
  
      workspace, module = self.make_workspace(parents, children)
  
      module.find_parent_child_distances.value = (
          cellprofiler.modules.relateobjects.D_MINIMUM
      )
  
      module.run(workspace)
  
      expected = [1, 4]
  
      actual = workspace.measurements.get_current_measurement(
          CHILD_OBJECTS,
          cellprofiler.modules.relateobjects.FF_MINIMUM
          % PARENT_OBJECTS,
      )
  
      numpy.testing.assert_array_equal(actual, expected)
  
imports: import numpy
  import unittest
  import cellprofiler_core.image
  import cellprofiler_core.measurement
  import cellprofiler_core.module
  from cellprofiler_core.constants.measurement import C_PARENT, GROUP_NUMBER, GROUP_INDEX, COLTYPE_FLOAT, COLTYPE_INTEGER, M_LOCATION_CENTER_X, M_LOCATION_CENTER_Y, FF_PARENT
  import cellprofiler.modules.relateobjects
  import cellprofiler_core.object
  import cellprofiler_core.pipeline
  import cellprofiler_core.preferences
  import cellprofiler_core.workspace
label_desc: Use image node_id 11 for calling the TestRelateObjects obj's underlying member method code with example usage: obj.test_distance_minima() without return types