code: def test_set_boundaries_3d(self, X2):
      X2s = X2 - np.mean(X2, axis=0)
      L = pm.gp.hsgp_approx.set_boundary(X2s, c=2).eval()
      assert np.all(L == 10)
  
imports: import arviz
  import numpy
  import pytensor
  import pytensor.tensor
  import pytest
  from scipy.spatial import distance
  import pymc
label_desc: Use image node_id 2 for calling the TestHSGP obj's underlying member method code with example usage: obj.test_set_boundaries_3d(X2) without return types