code: def test_second_fundamental_form(self, base_point, expected, atol):
      res = self.space.metric.second_fundamental_form(base_point)
      self.assertAllClose(res, expected, atol=atol)
  
imports: import geomstats.backend
  from geomstats.geometry.base import ImmersedSet
  from geomstats.geometry.euclidean import Euclidean
  from geomstats.geometry.invariant_metric import BiInvariantMetric
  from geomstats.geometry.pullback_metric import PullbackDiffeoMetric
  from geomstats.test_cases.geometry.diffeo import CircleSO2Diffeo
  from geomstats.test_cases.geometry.riemannian_metric import RiemannianMetricTestCase
label_desc: Use image node_id 1 for calling the PullbackMetricTestCase obj's underlying member method code with example usage: obj.test_second_fundamental_form(base_point, expected, atol) without return types