code: def sr_sharp_test_data(self):
      smoke_data = [
          dict(
              base_point=gs.array([[0.0, 0.0, 0.0], [1.0, 1.0, 1.0]]),
              cotangent_vec=gs.array(
                  [[0.5, 0.5, 0.5], [2.5, 2.5, 2.5]]
              ),
              expected=gs.array([[0.5, 0.5, 0.0], [1.25, 3.75, 1.25]]),
          )
      ]
      return self.generate_tests(smoke_data)
  
file_path: geomstats/tests/tests_geomstats/test_geometry/data/sub_riemannian_metric.py
imports: import geomstats.backend
  from geomstats.test.data import TestData
label_desc: Use image node_id 1 for calling the SubRiemannianMetricFrameTestData obj's underlying member method code with example usage: obj.sr_sharp_test_data() and returns: self