code: def test_trivia_qa(self):
      self.assertDictClose(
          metrics.trivia_qa(
              [
                  ["big moose", "hippo"],
                  ["correct1"],
                  ["correct2.1", "correct2.2"],
                  ["a", "b"],
              ],
              [
                  "‘a big  Moose!‘",
                  "wrong",
                  "correct2.2",
                  "c",
              ],
          ),
          {"em": 50.0, "f1": 50.0},
      )
  
imports: from unittest import mock
  from absl.testing import absltest
  import numpy
  import seqio
  import sklearn.metrics
  from t5.evaluation import metrics
  from t5.evaluation import test_utils
label_desc: Use image node_id 11 for calling the MetricsTest obj's underlying member method code with example usage: obj.test_trivia_qa() without return types