code: def test_set_embedding_id_no_embeddings(self):
      self.api_workflow_client._embeddings_api.embeddings = []
      with self.assertRaises(RuntimeError):
          self.api_workflow_client.set_embedding_id_to_latest()
  
file_path: lightly/tests/api_workflow/test_api_workflow_upload_embeddings.py
imports: import os
  import tempfile
  import numpy
  from lightly.utils import io
  from tests.api_workflow.mocked_api_workflow_client import MockedApiWorkflowSetup
label_desc: Use image node_id 7 for calling the TestApiWorkflowUploadEmbeddings obj's underlying member method code with example usage: obj.test_set_embedding_id_no_embeddings() without return types