code: def test_demo_mosaic_slicer(cut_coords, img, expected_cuts):
      """Tests for MosaicSlicer with different cut_coords in constructor."""
      slicer = MosaicSlicer(cut_coords=cut_coords)
      slicer.add_overlay(img, cmap=plt.cm.gray)
      assert slicer.cut_coords == expected_cuts
      slicer.close()
  
imports: import matplotlib
  import matplotlib.pyplot
  import numpy
  import pytest
  from nibabel import Nifti1Image
  from nilearn.datasets import load_mni152_template
  from nilearn.plotting.displays import BaseAxes, LProjector, LRProjector, LYRProjector, LYRZProjector, LZRProjector, LZRYProjector, MosaicSlicer, OrthoProjector, OrthoSlicer, RProjector, TiledSlicer, XProjector, XSlicer, XZProjector, XZSlicer, YProjector, YSlicer, YXProjector, YXSlicer, YZProjector, YZSlicer, ZProjector, ZSlicer
label_desc: Use image node_id 15 for calling a global function with example usage: test_demo_mosaic_slicer(cut_coords, img, expected_cuts) without return types