code: def test_RandomModelGenSamples(self) -> None:
      with self.assertRaises(NotImplementedError):
          self.random_model._gen_samples(n=1, tunable_d=1)
  
file_path: Ax/ax/models/tests/test_random.py
imports: import numpy
  import torch
  from ax.models.random.base import RandomModel
  from ax.utils.common.testutils import TestCase
  from ax.utils.common.typeutils import not_none
label_desc: Use image node_id 3 for calling the RandomModelTest obj's underlying member method code with example usage: obj.test_RandomModelGenSamples() without return types