code: def test_point_to_pdf(self, x, point, expected, atol):
      pdf = self.space.point_to_pdf(point)
      res = pdf(x)
      self.assertAllClose(res, expected, atol=atol)
  
file_path: geomstats/geomstats/test_cases/information_geometry/base.py
imports: import pytest
  import geomstats.backend
  from geomstats.test.test_case import TestCase
  from geomstats.test.vectorization import generate_vectorization_data
  from geomstats.vectorization import get_batch_shape
label_desc: Use image node_id 4 for calling the InformationManifoldMixinTestCase obj's underlying member method code with example usage: obj.test_point_to_pdf(x, point, expected, atol) without return types