code: def test_graph_copy_does_not_diverge():
      """Tests that the module embedded in the docs doesn't diverge from the actual one.
  
      It is currently not possible to embed a class from within a module in the docs
      without embedding the rest of the module file. To avoid this we have copied the
      `GraphComponent` to a separate file which is embeded in the docs.
      """
      # If this fails then copy the latest implementation of
      # `rasa.engine.graph.GraphComponent` to `data.test_classes.graph_component_interface
      assert inspect.getsource(GraphComponent) == inspect.getsource(
          GraphComponentDocs
      )
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_graph_copy_does_not_diverge() without return types