code: def jacobian_christoffels_vec_test_data(self):
      return self.generate_vec_data()
  
file_path: geomstats/tests/tests_geomstats/test_information_geometry/data/dirichlet.py
imports: import geomstats.backend
  from geomstats.test.data import TestData
  from ...test_geometry.data.base import VectorSpaceOpenSetTestData
  from ...test_geometry.data.riemannian_metric import RiemannianMetricTestData
  from .base import InformationManifoldMixinTestData
label_desc: Use image node_id 1 for calling the DirichletMetricTestData obj's underlying member method code with example usage: obj.jacobian_christoffels_vec_test_data() and returns: self