code: def test_set_dataset_id_missing(self):
      with self.assertRaises(ValueError):
          self.api_workflow_client.dataset_id = "nonexisting-id"
  
file_path: lightly/tests/api_workflow/test_api_workflow.py
imports: import os
  from unittest import mock
  import numpy
  import lightly
  from tests.api_workflow import utils
  from tests.api_workflow.mocked_api_workflow_client import MockedApiWorkflowClient, MockedApiWorkflowSetup
label_desc: Use image node_id 8 for calling the TestApiWorkflow obj's underlying member method code with example usage: obj.test_set_dataset_id_missing() without return types