code: def _get_horizontal_vec(self, base_point, return_tangent=False):
      tangent_vec = self.data_generator.random_tangent_vec(base_point)
      horizontal = self.bundle.horizontal_projection(
          tangent_vec,
          base_point,
      )
      if return_tangent:
          return tangent_vec, horizontal
  
      return horizontal
  
imports: import pytest
  import geomstats.backend
  from geomstats.geometry.matrices import Matrices
  from geomstats.test.random import KendalShapeRandomDataGenerator, get_random_times
  from geomstats.test.vectorization import generate_vectorization_data
  from geomstats.test_cases.geometry.base import LevelSetTestCase
  from geomstats.test_cases.geometry.fiber_bundle import FiberBundleTestCase
  from geomstats.test_cases.geometry.quotient_metric import QuotientMetricTestCase
  from geomstats.vectorization import get_batch_shape
label_desc: Use image node_id 2 for calling the PreShapeSpaceBundleTestCase obj's underlying member method code with example usage: obj._get_horizontal_vec(base_point, return_tangent) and returns: horizontal, tangent_vec,  horizontal