code: def test_constrained_layout18():
      """Test twinx"""
      fig, ax = plt.subplots(layout="constrained")
      ax2 = ax.twinx()
      example_plot(ax)
      example_plot(ax2, fontsize=24)
      fig.draw_without_rendering()
      assert all(
          ax.get_position().extents == ax2.get_position().extents
      )
  
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 22 for calling a global function with example usage: test_constrained_layout18() without return types