code: def test_nodepred_ns_data(data):
      os.system(f"dgl configure nodepred-ns --data {data} --model gcn")
      assert os.path.exists(f"nodepred-ns_{data}_gcn.yaml")
  
      custom_cfg = f"ns-custom_{data}_gcn.yaml"
      os.system(
          f"dgl configure nodepred-ns --data {data} --model gcn --cfg {custom_cfg}"
      )
      assert os.path.exists(custom_cfg)
  
      custom_script = f"ns-{data}_gcn.py"
      os.system(
          f"dgl export --cfg {custom_cfg} --output {custom_script}"
      )
      assert os.path.exists(custom_script)
  
file_path: dgl/tests/go/test_pipeline.py
imports: import os
  import pytest
label_desc: Use image node_id 3 for calling a global function with example usage: test_nodepred_ns_data(data) without return types