code: def test_update_base_samples(self):
      sampler = NonAbstractSampler(sample_shape=torch.Size([4]))
      with self.assertRaisesRegex(NotImplementedError, "update_base"):
          sampler._update_base_samples(
              posterior=MockPosterior(), base_sampler=sampler
          )
  
file_path: botorch/test/sampling/test_base.py
imports: import torch
  from botorch.exceptions.errors import InputDataError
  from botorch.sampling.base import MCSampler
  from botorch.utils.testing import BotorchTestCase, MockPosterior
label_desc: Use image node_id 6 for calling the TestBaseMCSampler obj's underlying member method code with example usage: obj.test_update_base_samples() without return types