code: def _test_is_tangent(self, vector, base_point, expected, atol):
      res = self.total_space.is_tangent(vector, base_point, atol=atol)
      self.assertAllEqual(res, expected)
  
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 1 for calling the PreShapeSpaceBundleTestCase obj's underlying member method code with example usage: obj._test_is_tangent(vector, base_point, expected, atol) without return types