code: def test_gridliner_title_adjust():
      # Test that title do not overlap labels
      projs = [
          ccrs.Mercator(),
          ccrs.AlbersEqualArea(),
          ccrs.LambertConformal(),
          ccrs.Orthographic(),
      ]
  
      # Turn on automatic title placement (this is default in mpl rcParams but
      # not in these tests).
      plt.rcParams["axes.titley"] = None
  
      fig = plt.figure(layout="constrained")
      if _MPL_36:
          fig.get_layout_engine().set(h_pad=1 / 8)
      else:
          fig.set_constrained_layout_pads(h_pad=1 / 8)
      for n, proj in enumerate(projs, 1):
          ax = fig.add_subplot(2, 2, n, projection=proj)
          ax.coastlines()
          ax.gridlines(draw_labels=True)
          ax.set_title(proj.__class__.__name__)
  
      return fig
  
imports: import io
  from unittest import mock
  from matplotlib.collections import PolyCollection
  import matplotlib.pyplot
  import matplotlib.ticker
  import numpy
  import pytest
  from shapely.geos import geos_version
  import cartopy.crs
  from cartopy.mpl import _MPL_36
  from cartopy.mpl.geoaxes import GeoAxes
  from cartopy.mpl.gridliner import LATITUDE_FORMATTER, LONGITUDE_FORMATTER, Gridliner, classic_formatter, classic_locator
  from cartopy.mpl.ticker import LongitudeFormatter, LongitudeLocator
label_desc: Use image node_id 16 for calling a global function with example usage: test_gridliner_title_adjust() and returns: fig