code: def test_geoaxes_subplot():
      ax = plt.subplot(1, 1, 1, projection=ccrs.PlateCarree())
      assert isinstance(ax, GeoAxesSubplot)
  
imports: from unittest import mock
  import matplotlib.path
  import matplotlib.pyplot
  import numpy
  import pytest
  import cartopy.crs
  import cartopy.feature
  from cartopy.mpl.geoaxes import GeoAxes, GeoAxesSubplot, InterProjectionTransform
label_desc: Use image node_id 2 for calling a global function with example usage: test_geoaxes_subplot() without return types