code: def test_return_endsubstring(self):
      assert (
          substring(self.line1, 0.6, 500).wkt
          == LineString([(0.6, 0), (2, 0)]).wkt
      )
      assert (
          substring(self.line1, 0.6, 1.1, True).wkt
          == LineString([(1.2, 0), (2, 0)]).wkt
      )
  
imports: import json
  import unittest
  import pytest
  from shapely.errors import GeometryTypeError
  from shapely.geometry import LineString, Point, shape
  from shapely.ops import substring
label_desc: Use image node_id 7 for calling the SubstringTestCase obj's underlying member method code with example usage: obj.test_return_endsubstring() without return types