code: def setup_method(self):
      self.model_types = ["regression", "binary", "multi-class"]
      self.data_gen = DummyDataGenerator()
  
imports: import pytest
  import joblib
  import os
  import json
  import numpy
  import pandas
  from itertools import product
  import matplotlib
  from abc import ABC, abstractmethod
  import warnings
label_desc: Use image node_id 1 for calling the PlotTestBase obj's underlying member method code with example usage: obj.setup_method() without return types