code: def test_init_replacements(self):
      generator = word_replacer.WordReplacer(
          replacements={"tree": ["car"]}
      )
      example = {"text": "black truck hit the tree"}
      config = {word_replacer.FIELDS_TO_REPLACE_KEY: ["text"]}
      generated = generator.generate(
          example, self.model, self.dataset, config
      )
      self.assertEqual(generated, [{"text": "black truck hit the car"}])
  
file_path: lit/lit_nlp/components/word_replacer_test.py
imports: from absl.testing import absltest
  from absl.testing import parameterized
  from lit_nlp.api import dataset
  from lit_nlp.api import types
  from lit_nlp.components import word_replacer
  from lit_nlp.lib import testing_utils
label_desc: Use image node_id 3 for calling the WordReplacerTest obj's underlying member method code with example usage: obj.test_init_replacements() without return types