code: def test_paddedbox_default_values():
      # smoke test paddedbox for correct default value
      fig, ax = plt.subplots()
      at = AnchoredText("foo", "upper left")
      pb = PaddedBox(
          at, patch_attrs={"facecolor": "r"}, draw_frame=True
      )
      ax.add_artist(pb)
      fig.draw_without_rendering()
  
imports: from collections import namedtuple
  import io
  import numpy
  from numpy.testing import assert_allclose
  import pytest
  from matplotlib.testing.decorators import check_figures_equal, image_comparison
  import matplotlib.pyplot
  import matplotlib.patches
  import matplotlib.lines
  from matplotlib.backend_bases import MouseButton, MouseEvent
  from matplotlib.offsetbox import AnchoredOffsetbox, AnnotationBbox, AnchoredText, DrawingArea, HPacker, OffsetBox, OffsetImage, PaddedBox, TextArea, VPacker, _get_packed_offsets
label_desc: Use image node_id 16 for calling a global function with example usage: test_paddedbox_default_values() without return types