code: def identity_belongs_test_data(self):
      return self.generate_tests([dict()])
  
imports: import geomstats.backend
  from geomstats.test.data import TestData
  from .base import VectorSpaceTestData
  from .mixins import GroupExpMixinsTestData
  from .riemannian_metric import RiemannianMetricTestData
label_desc: Use image node_id 2 for calling the EuclideanTestData obj's underlying member method code with example usage: obj.identity_belongs_test_data() and returns: self