code: def test_grid_labels_inline(proj):
      fig = plt.figure()
      if isinstance(proj, tuple):
          proj, kwargs = proj
      else:
          kwargs = {}
      ax = fig.add_subplot(projection=proj(**kwargs))
      ax.gridlines(
          crs=ccrs.PlateCarree(), draw_labels=True, auto_inline=True
      )
      ax.coastlines(resolution="110m")
      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 6 for calling a global function with example usage: test_grid_labels_inline(proj) and returns: fig