code: def get_part_towards_test_data(self):
      split1 = Split(part1=[0, 4], part2=[1, 2, 3])
      split2 = Split(part1=[2, 3], part2=[0, 1, 4])
  
      smoke_data = [
          dict(split_a=split1, split_b=split2, expected={1, 2, 3}),
          dict(split_a=split2, split_b=split1, expected={0, 1, 4}),
      ]
  
      return self.generate_tests(smoke_data)
  
imports: import random
  import geomstats.backend
  from geomstats.geometry.stratified.wald_space import Split, Topology, Wald, WaldSpace
  from geomstats.test.data import TestData
  from geomstats.test.test_case import np_backend
  from .point_set import PointSetTestData, PointTestData
label_desc: Use image node_id 4 for calling the SplitTestData obj's underlying member method code with example usage: obj.get_part_towards_test_data() and returns: self