code: def test_mg_symmetrize_df(dask_client, read_datasets):
      ddf = read_datasets["ddf"]
      src_col_name = read_datasets["src_col_name"]
      dst_col_name = read_datasets["dst_col_name"]
      val_col_name = read_datasets["val_col_name"]
  
      sym_ddf = cugraph.symmetrize_ddf(
          ddf, src_col_name, dst_col_name, val_col_name
      )
  
      compare(ddf, sym_ddf, src_col_name, dst_col_name, val_col_name)
  
file_path: cugraph/python/cugraph/cugraph/tests/internals/test_symmetrize_mg.py
imports: import gc
  import pytest
  import pandas
  import dask_cudf
  import cugraph
  from cugraph.testing import utils
  from pylibcugraph.testing.utils import gen_fixture_params_product
label_desc: Use image node_id 7 for calling a global function with example usage: test_mg_symmetrize_df(dask_client, read_datasets) without return types