code: def test_ClusterGCN_init():
      G, features = create_graph_features()
  
      generator = ClusterNodeGenerator(G)
      cluster_gcn_model = ClusterGCN(
          layer_sizes=[2],
          generator=generator,
          activations=["relu"],
          dropout=0.5,
      )
  
      assert cluster_gcn_model.layer_sizes == [2]
      assert cluster_gcn_model.activations == ["relu"]
      assert cluster_gcn_model.dropout == 0.5
  
file_path: stellargraph/tests/layer/test_cluster_gcn.py
imports: from tensorflow.keras import backend
  from stellargraph.layer.cluster_gcn import *
  from stellargraph.mapper import ClusterNodeGenerator
  from stellargraph.core.graph import StellarGraph
  import pandas
  import numpy
  from tensorflow import keras
  import tensorflow
  import pytest
  from ..test_utils.graphs import create_graph_features
  from ..None import test_utils
label_desc: Use image node_id 1 for calling a global function with example usage: test_ClusterGCN_init() without return types