code: def test_predicts_batch_json(self):
      inputs = {"sentence": "I always write unit tests"}
  
      archive = load_archive(
          self.FIXTURES_ROOT
          / "basic_classifier"
          / "embedding_with_trainable_is_false"
          / "model.tar.gz"
      )
      predictor = Predictor.from_archive(archive)
      results = predictor.predict_batch_json([inputs] * 3)
      assert len(results) == 3
  
file_path: allennlp/tests/predictors/predictor_test.py
imports: from allennlp.common.testing import AllenNlpTestCase
  from allennlp.models.archival import load_archive
  from allennlp.predictors import Predictor
  from allennlp.nn import util
label_desc: Use image node_id 6 for calling the TestPredictor obj's underlying member method code with example usage: obj.test_predicts_batch_json() without return types