code: def exp_test_data(self):
      data = [
          dict(
              tangent_vec=gs.array([[1.0]]),
              base_point=gs.array([[1.0]]),
              expected=gs.array([[EXP_1]]),
          ),
          dict(
              tangent_vec=gs.array([[4.0]]),
              base_point=gs.array([[2.0]]),
              expected=gs.array([[2 * EXP_2]]),
          ),
          dict(
              tangent_vec=gs.array([[1.0], [2.0]]),
              base_point=gs.array([[1.0]]),
              expected=gs.array([[EXP_1], [EXP_2]]),
          ),
      ]
      return self.generate_tests(data)
  
file_path: geomstats/tests/tests_geomstats/test_geometry/data/positive_reals.py
imports: import math
  import pytest
  import geomstats.backend
  from .base import VectorSpaceOpenSetTestData
  from .riemannian_metric import RiemannianMetricTestData
label_desc: Use image node_id 2 for calling the PositiveRealsMetricTestData obj's underlying member method code with example usage: obj.exp_test_data() and returns: self