code: def test_plot_markers_cmap(cmap, vmin, vmax, coords):
      """Smoke test for plot_markers with different cmaps."""
      plot_markers(
          [1, 2, 3, 4],
          coords,
          node_cmap=cmap,
          node_vmin=vmin,
          node_vmax=vmax,
          display_mode="x",
      )
      plt.close()
  
imports: import os
  import matplotlib.pyplot
  import numpy
  import pytest
  from nilearn.conftest import _rng
  from nilearn.plotting import plot_markers
label_desc: Use image node_id 5 for calling a global function with example usage: test_plot_markers_cmap(cmap, vmin, vmax, coords) without return types