code: def test_log(self, point, base_point, expected, atol):
      vec = self.space.log(point, base_point)
      self.assertAllClose(vec, expected, atol=atol)
  
imports: import pytest
  import geomstats.backend
  from geomstats.test.vectorization import generate_vectorization_data
  from geomstats.test_cases.geometry.manifold import ManifoldTestCase
  from geomstats.test_cases.geometry.mixins import GroupExpTestCaseMixins
  from geomstats.vectorization import repeat_point
label_desc: Use image node_id 5 for calling the _LieGroupTestCaseMixins obj's underlying member method code with example usage: obj.test_log(point, base_point, expected, atol) without return types