code: def test_orphaned_annot_fig(raw, browser_backend):
      """Test that annotation window is not orphaned (GH #10454)."""
      if browser_backend.name != "matplotlib":
          return
      assert browser_backend._get_n_figs() == 0
      fig = raw.plot()
      _spawn_child_fig(fig, "fig_annotation", browser_backend, "a")
      fig._fake_keypress(key=fig.mne.close_key)
      fig._close_event()
      assert len(fig.mne.child_figs) == 0
      assert browser_backend._get_n_figs() == 0
  
imports: import itertools
  import os
  from copy import deepcopy
  import matplotlib.pyplot
  import numpy
  import pytest
  from matplotlib import backend_bases
  from numpy.testing import assert_allclose
  from mne import Annotations, create_info, pick_types
  from mne._fiff.pick import _DATA_CH_TYPES_ORDER_DEFAULT, _PICK_TYPES_DATA_DICT
  from mne.annotations import _sync_onset
  from mne.datasets import testing
  from mne.io import RawArray
  from mne.utils import _assert_no_instances, _dt_to_stamp, _record_warnings, check_version, get_config, set_config
  from mne.viz import plot_raw, plot_sensors
  from mne.viz.utils import _fake_click, _fake_keypress
label_desc: Use image node_id 14 for calling a global function with example usage: test_orphaned_annot_fig(raw, browser_backend) without return types