code: def test_separates(self, split, u, v, expected):
      result = split.separates(u=u, v=v)
      self.assertEqual(result, expected)
  
imports: from geomstats.test.parametrizers import DataBasedParametrizer
  from geomstats.test.test_case import TestCase
  from geomstats.test_cases.geometry.stratified.point_set import PointSetTestCase, PointTestCase
  from .data.wald_space import SplitTestData, TopologyTestData, WaldSpaceTestData, WaldTestData
label_desc: Use image node_id 3 for calling the TestSplit obj's underlying member method code with example usage: obj.test_separates(split, u, v, expected) without return types