code: def test():
      model.eval()
      z, _, _ = model(data.x, data.edge_index)
      acc = model.test(
          z[data.train_mask],
          data.y[data.train_mask],
          z[data.test_mask],
          data.y[data.test_mask],
          max_iter=150,
      )
      return acc
  
file_path: pytorch_geometric/examples/infomax_transductive.py
imports: import os.path
  import torch
  from torch_geometric.datasets import Planetoid
  from torch_geometric.nn import DeepGraphInfomax, GCNConv
label_desc: Use image node_id 3 for calling a global function with example usage: test() and returns: acc