code: def test_set_rnn_classifier(self):
      all_data = get_ssts_dataset("train")
      all_data = all_data[TEXT_COL]
      model_config = RNN_MODEL_CONFIG
      explainer = setup_mock_rnn_introspective_rationale_explainer(
          model_config=model_config, data=all_data
      )
      explainer.set_classifier(CLASSIFIER_TYPE_BERT)
  
imports: import pandas
  import pytest
  from interpret_text.experimental.common.preprocessor.bert_preprocessor import BertPreprocessor
  from interpret_text.experimental.common.preprocessor.glove_preprocessor import GlovePreprocessor
  from interpret_text.experimental.introspective_rationale.components import ClassifierModule
  from interpret_text.experimental.introspective_rationale import IntrospectiveRationaleExplainer
  from model_config_constants import RNN_MODEL_CONFIG, BERT_MODEL_CONFIG
  from utils_test import get_ssts_dataset, setup_mock_rnn_introspective_rationale_explainer, setup_mock_bert_introspective_rationale_explainer
label_desc: Use image node_id 3 for calling the TestIntrospectiveRationaleExplainer obj's underlying member method code with example usage: obj.test_set_rnn_classifier() without return types