code: def test(self):
      return self._test_embedding_based(BERTScoreScorer)
  
imports: from .None import VizSeqScorerTestCase
  from vizseq.scorers.bert_score import BERTScoreScorer
label_desc: Use image node_id 1 for calling the BERTScoreScorerTestCase obj's underlying member method code with example usage: obj.test() and returns: self