code: def test_step_markers(fig_test, fig_ref):
      fig_test.subplots().step([0, 1], "-o")
      fig_ref.subplots().plot(
          [0, 0, 1], [0, 1, 1], "-o", markevery=[0, 2]
      )
  
imports: import itertools
  import platform
  import timeit
  from types import SimpleNamespace
  from cycler import cycler
  import numpy
  from numpy.testing import assert_array_equal
  import pytest
  import matplotlib
  import matplotlib
  from matplotlib import _path
  import matplotlib.lines
  from matplotlib.markers import MarkerStyle
  from matplotlib.path import Path
  import matplotlib.pyplot
  import matplotlib.transforms
  from matplotlib.testing.decorators import image_comparison, check_figures_equal
label_desc: Use image node_id 19 for calling a global function with example usage: test_step_markers(fig_test, fig_ref) without return types