code: def test_random_point_belongs(self, space_args, n_points):
      space = self.testing_data._PointSet(*space_args)
      random_point = space.random_point(n_points)
      result = gs.all(space.belongs(random_point))
      self.assertAllClose(result, True)
  
imports: from collections.abc import Iterable
  import geomstats.backend
  from geomstats.test.test_case import TestCase
label_desc: Use image node_id 1 for calling the PointSetTestCase obj's underlying member method code with example usage: obj.test_random_point_belongs(space_args, n_points) without return types