code: def test_curvature_at_identity(
      self, tangent_vec_a, tangent_vec_b, tangent_vec_c, expected, atol
  ):
      res = self.space.metric.curvature_at_identity(
          tangent_vec_a, tangent_vec_b, tangent_vec_c
      )
      self.assertAllClose(res, expected, atol=atol)
  
imports: import pytest
  from geomstats.test.vectorization import generate_vectorization_data
  from geomstats.test_cases.geometry.riemannian_metric import RiemannianMetricTestCase
  from geomstats.vectorization import repeat_point
label_desc: Use image node_id 9 for calling the InvariantMetricMatrixTestCase obj's underlying member method code with example usage: obj.test_curvature_at_identity(tangent_vec_a, tangent_vec_b, tangent_vec_c, expected, atol) without return types