code: def setUp(self):
      self.x_train = np.random.rand(self.n_train)
      self.x_test = np.random.rand(self.n_test)
  
imports: import os
  import unittest
  import numpy
  from scipy.integrate import quad
  from statsmodels.nonparametric import kernels
  from hpbandster.optimizers.kde import kernels
  import ConfigSpace
  from pdb import set_trace
label_desc: Use image node_id 1 for calling the TestGaussian obj's underlying member method code with example usage: obj.setUp() without return types