code: def inner_coproduct_test_data(self):
      smoke_data = [
          dict(
              cotangent_vec_a=gs.array([1.0, 1.0, 1.0]),
              cotangent_vec_b=gs.array([1.0, 10.0, 1.0]),
              base_point=gs.array([2.0, 1.0, 10.0]),
              expected=gs.array(12.0),
          )
      ]
      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 SubRiemannianMetricCometricTestData obj's underlying member method code with example usage: obj.inner_coproduct_test_data() and returns: self