code: def test_alias(equiv_styles):
      rc_dicts = []
      for sty in equiv_styles:
          with style.context(sty):
              rc_dicts.append(mpl.rcParams.copy())
  
      rc_base = rc_dicts[0]
      for nm, rc in zip(equiv_styles[1:], rc_dicts[1:]):
          assert rc_base == rc
  
imports: from contextlib import contextmanager
  from pathlib import Path
  from tempfile import TemporaryDirectory
  import sys
  import numpy
  import pytest
  import matplotlib
  from matplotlib import pyplot, style
  from matplotlib.style.core import USER_LIBRARY_PATHS, STYLE_EXTENSION
label_desc: Use image node_id 13 for calling a global function with example usage: test_alias(equiv_styles) without return types