code: def test_fit_transform_is_tangent(self, n_points, atol):
      X = self.data_generator.random_point(n_points=n_points)
  
      tangent_vecs = self.estimator.fit_transform(X)
      res = self.estimator.space.is_tangent(
          tangent_vecs, self.estimator.base_point_, atol=atol
      )
  
      expected = gs.ones(n_points, dtype=bool)
      self.assertAllEqual(res, expected)
  
imports: import pytest
  import geomstats.backend
  from geomstats.test_cases.learning._base import BaseEstimatorTestCase
label_desc: Use image node_id 1 for calling the ToTangentSpaceTestCase obj's underlying member method code with example usage: obj.test_fit_transform_is_tangent(n_points, atol) without return types