code: def test_plot_functions_mosaic_mode(
      plot_func, cut_coords, img_3d_mni
  ):
      """Smoke-test for plotting functions in mosaic mode."""
      plot_func(
          img_3d_mni,
          display_mode="mosaic",
          title="mosaic mode",
          cut_coords=cut_coords,
      )
      plt.close()
  
imports: import matplotlib.pyplot
  import numpy
  import pytest
  from nibabel import Nifti1Image
  from nilearn.conftest import _affine_mni
  from nilearn.datasets import load_mni152_template
  from nilearn.image import get_data, reorder_img
  from nilearn.plotting import plot_anat, plot_carpet, plot_epi, plot_glass_brain, plot_img, plot_prob_atlas, plot_roi, plot_stat_map
  from nilearn.plotting.img_plotting import MNI152TEMPLATE
label_desc: Use image node_id 7 for calling a global function with example usage: test_plot_functions_mosaic_mode(plot_func, cut_coords, img_3d_mni) without return types