code: def test_ball_to_half_space_tangent_vec(self, n_reps, atol):
      return self._test_from_to_other_space_tangent_vec(
          n_reps, "ball", "half-space", atol
      )
  
imports: import pytest
  import geomstats.backend
  from geomstats.geometry.hyperbolic import Hyperbolic
  from geomstats.test.test_case import TestCase
  from geomstats.test.utils import PointTransformer
  from geomstats.test.vectorization import generate_vectorization_data
  from geomstats.test_cases.geometry.riemannian_metric import RiemannianMetricTestCase
label_desc: Use image node_id 9 for calling the HyperbolicCoordsTransformTestCase obj's underlying member method code with example usage: obj.test_ball_to_half_space_tangent_vec(n_reps, atol) and returns: self