code: def test_ia3_is_feedforward_subset_valid_config(self):
      # This test checks that the IA3 config is created without errors with valid arguments.
      # feedforward_modules should be a subset of target_modules if both are lists
  
      # an example valid config with regex expressions.
      valid_config_regex_exp = {
          "target_modules": ".*.(SelfAttention|EncDecAttention|DenseReluDense).*(q|v|wo)$",
          "feedforward_modules": ".*.DenseReluDense.wo$",
      }
      # an example valid config with module lists.
      valid_config_list = {
          "target_modules": ["k", "v", "wo"],
          "feedforward_modules": ["wo"],
      }
  
      # should run without errors
      IA3Config(**valid_config_regex_exp)
      IA3Config(**valid_config_list)
  
imports: import copy
  import os
  import pickle
  import tempfile
  import unittest
  import warnings
  import pytest
  from parameterized import parameterized
  from peft import AdaLoraConfig, AdaptionPromptConfig, IA3Config, LoHaConfig, LoraConfig, MultitaskPromptTuningConfig, OFTConfig, PeftConfig, PolyConfig, PrefixTuningConfig, PromptEncoder, PromptEncoderConfig, PromptTuningConfig
label_desc: Use image node_id 17 for calling the PeftConfigTester obj's underlying member method code with example usage: obj.test_ia3_is_feedforward_subset_valid_config() without return types