code: def test_plots():
      """Test plots."""
      evaluator, metrics_by_strategy = evaluator_setup(
          score_function=accuracy_score
      )
      evaluator.plot_boxplots()
      evaluator.t_test()
  
imports: import numpy
  import pandas
  import pytest
  from sklearn.metrics import accuracy_score
  from sktime.benchmarking.evaluation import Evaluator
  from sktime.benchmarking.metrics import PairwiseMetric
  from sktime.benchmarking.results import RAMResults
  from sktime.series_as_features.model_selection import PresplitFilesCV
  from sktime.utils.validation._dependencies import _check_soft_dependencies
label_desc: Use image node_id 9 for calling a global function with example usage: test_plots() without return types