code: def test_plot_markers_single_node_value():
      """Regression test for Issue #3253."""
      plot_markers([1], [[1, 1, 1]])
      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 14 for calling a global function with example usage: test_plot_markers_single_node_value() without return types