code: def test_medoids():
      """Test medoids."""
      X = create_test_distance_numpy(10, 3, 3, random_state=2)
      test_medoids = medoids(X)
      assert np.array_equal(
          test_medoids,
          [
              [
                  -0.3739354746469312,
                  0.004512625486662562,
                  -0.439053946620171,
              ],
              [
                  -0.07821708519231182,
                  0.12828522600064782,
                  -0.4943895243848109,
              ],
              [
                  -0.16941098301459817,
                  -0.11809201542630064,
                  -0.3188275062421506,
              ],
          ],
      )
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_medoids() without return types