code: def test_split(self):
      projection = ccrs.Robinson(170.5)
      line_string = sgeom.LineString([(-10, 30), (10, 60)])
      multi_line_string = projection.project_geometry(line_string)
      # from cartopy.tests.mpl import show
      # show(projection, multi_line_string)
      assert len(multi_line_string.geoms) == 2
  
imports: import itertools
  import time
  import numpy
  import pytest
  import shapely.geometry
  import cartopy.crs
label_desc: Use image node_id 3 for calling the TestLineString obj's underlying member method code with example usage: obj.test_split() without return types