code: def test_multilinestring(self):
      multilinestring = MultiLineString(
          [[(0, 0), (1, 1)], [(1, 0), (0, 1)]]
      )
      assert orient(multilinestring, 1) == multilinestring
      assert orient(multilinestring, -1) == multilinestring
  
file_path: shapely/shapely/tests/legacy/test_orient.py
imports: import unittest
  from shapely.geometry import GeometryCollection, LinearRing, LineString, MultiLineString, MultiPoint, MultiPolygon, Point, Polygon
  from shapely.ops import orient
label_desc: Use image node_id 4 for calling the OrientTestCase obj's underlying member method code with example usage: obj.test_multilinestring() without return types