code: def test_constrained_layout5():
      """
      Test constrained_layout for a single colorbar with subplots,
      colorbar bottom
      """
  
      fig, axs = plt.subplots(2, 2, layout="constrained")
      for ax in axs.flat:
          pcm = example_pcolor(ax, fontsize=24)
      fig.colorbar(
          pcm,
          ax=axs,
          use_gridspec=False,
          pad=0.01,
          shrink=0.6,
          location="bottom",
      )
  
imports: import gc
  import numpy
  import pytest
  import matplotlib
  from matplotlib.testing.decorators import image_comparison
  import matplotlib.pyplot
  import matplotlib.transforms
  from matplotlib import gridspec, ticker
label_desc: Use image node_id 7 for calling a global function with example usage: test_constrained_layout5() without return types