code: def adult_data():
      (
          X_train_df,
          X_test_df,
          y_train,
          y_test,
          _,
          _,
          target_name,
          _,
          _,
          _,
      ) = create_adult_income_dataset()
      train_df = copy.deepcopy(X_train_df)
      test_df = copy.deepcopy(X_test_df)
      train_df[target_name] = y_train
      test_df[target_name] = y_test
      return train_df, test_df, target_name
  
file_path: responsible-ai-toolbox/responsibleai/tests/causal/conftest.py
imports: import copy
  from typing import List, Tuple
  import numpy
  import pandas
  import pytest
  import shap
  from sklearn.model_selection import train_test_split
  from tests.common_utils import create_adult_income_dataset
  from rai_test_utils.datasets.tabular import create_housing_data
label_desc: Use image node_id 1 for calling a global function with example usage: adult_data() and returns: train_df,  test_df,  target_name