code: def test_display_issues_figure(mock_plt, monkeypatch):
      monkeypatch.setattr(plt, "show", lambda: None)
      issues = find_label_issues(
          labels, pred_probs, downsample=1, n_jobs=None, batch_size=1000
      )
      display_issues(
          issues,
          pred_probs=pred_probs,
          labels=labels,
          top=2,
          class_names=["one", "two"],
      )
      assert mock_plt.called
  
imports: import numpy
  import random
  import pytest
  from unittest import mock
  import matplotlib.pyplot
  from pathlib import Path
  from cleanlab.internal.multilabel_scorer import softmin
  from cleanlab.internal.segmentation_utils import _check_input, _get_valid_optional_params, _get_summary_optional_params
  from cleanlab.segmentation.filter import find_label_issues
  from cleanlab.segmentation.rank import get_label_quality_scores, issues_from_scores, _get_label_quality_per_image
  from cleanlab.segmentation.summary import display_issues, common_label_issues, filter_by_class, _generate_colormap
label_desc: Use image node_id 18 for calling a global function with example usage: test_display_issues_figure(mock_plt, monkeypatch) without return types