code: def test_boston_housing(self):
      X, y, split = functions.get_sample_dataset({"type": "boston"})
      assert X.shape == (506, 13)
      assert y.shape == (506,)
  
imports: from __future__ import absolute_import, print_function, division, unicode_literals
  import unittest
  import os
  import numpy
  from xcessiv import functions, exceptions
  from sklearn.datasets import load_digits
  from sklearn.ensemble import RandomForestClassifier
  from sklearn.decomposition import PCA
  from sklearn.pipeline import Pipeline
  import pickle
label_desc: Use image node_id 6 for calling the GetSampleDataset obj's underlying member method code with example usage: obj.test_boston_housing() without return types