@test_util.run_deprecated_v1
  def testUnweighted(self):
    predictions = constant_op.constant(((0.9, 0.2, 0.8, 0.1),
                                        (0.2, 0.9, 0.7, 0.6),
                                        (0.1, 0.2, 0.4, 0.3)))