code: def generate_wald_belongs_test_data(self):
      random_data = [
          dict(point_args=point_args)
          for point_args in self.point_args_list
      ]
  
      return self.generate_tests([], random_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 1 for calling the WaldTestData obj's underlying member method code with example usage: obj.generate_wald_belongs_test_data() and returns: self