code: def test_exp_domain(self, tangent_vec, base_point, expected, atol):
      res = self.space.metric.exp_domain(tangent_vec, base_point)
      self.assertAllClose(res, expected, atol=atol)
  
imports: import random
  import pytest
  import geomstats.backend
  from geomstats.geometry.hermitian_matrices import HermitianMatrices
  from geomstats.geometry.hpd_matrices import HPDBuresWassersteinMetric, HPDEuclideanMetric, HPDLogEuclideanMetric, HPDMatrices
  from geomstats.geometry.spd_matrices import MatrixPower, SymMatrixLog
  from geomstats.test.parametrizers import DataBasedParametrizer
  from geomstats.test.random import RandomDataGenerator
  from geomstats.test_cases.geometry.base import ComplexVectorSpaceOpenSetTestCase
  from geomstats.test_cases.geometry.complex_riemannian_metric import ComplexRiemannianMetricTestCase
  from geomstats.test_cases.geometry.diffeo import DiffeoTestCase
  from geomstats.test_cases.geometry.pullback_metric import PullbackDiffeoMetricTestCase
  from .data.base import ComplexVectorSpaceOpenSetTestData
  from .data.diffeo import DiffeoTestData
  from .data.hpd_matrices import HPDAffineMetricTestData, HPDBuresWassersteinMetricTestData, HPDEuclideanMetricTestData, HPDLogEuclideanMetricTestData, HPDMatrices2TestData, HPDMatrices3TestData
label_desc: Use image node_id 1 for calling the TestHPDEuclideanMetric obj's underlying member method code with example usage: obj.test_exp_domain(tangent_vec, base_point, expected, atol) without return types