code: def test_smoke():
      """A simple test that the class can be instantiated from a GraphClassifier backbone."""
      model = GraphEmbedder(
          GraphClassifier(num_features=1, num_classes=1).backbone
      )
      assert model is not None
  
file_path: lightning-flash/tests/graph/embedding/test_model.py
imports: from typing import Any
  import pytest
  import torch
  from flash import RunningStage, Trainer
  from flash.core.data.data_module import DataModule
  from flash.core.utilities.imports import _TOPIC_GRAPH_AVAILABLE
  from flash.graph.classification.input import GraphClassificationDatasetInput
  from flash.graph.classification.input_transform import GraphClassificationInputTransform
  from flash.graph.classification.model import GraphClassifier
  from flash.graph.embedding.model import GraphEmbedder
  from torch import Tensor
  from tests.helpers.task_tester import TaskTester
label_desc: Use image node_id 1 for calling a global function with example usage: test_smoke() without return types