class_docstr: Tests for web_graph dataset.
class_docstr_tok: ["Tests","for","web_graph","dataset","."]
code: def setUpClass(cls):
      web_graph.WebGraph.WEB_GRAPH_HOMEPAGE = cls.dummy_data
      web_graph.WebGraph.SHARDS = 1
      super().setUpClass()
  
imports: import tensorflow_datasets.public_api
  from tensorflow_datasets.structured.web_graph import web_graph
label_desc: Use image node_id 1 for calling the WebGraphTest obj's underlying member method code with example usage: obj.setUpClass(cls) without return types