code: def test_constrained_layout9():
      """Test for handling suptitle and for sharex and sharey"""
  
      fig, axs = plt.subplots(
          2, 2, layout="constrained", sharex=False, sharey=False
      )
      for ax in axs.flat:
          pcm = example_pcolor(ax, fontsize=24)
          ax.set_xlabel("")
          ax.set_ylabel("")
      ax.set_aspect(2.0)
      fig.colorbar(pcm, ax=axs, pad=0.01, shrink=0.6)
      fig.suptitle("Test Suptitle", fontsize=28)
  
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 12 for calling a global function with example usage: test_constrained_layout9() without return types