code: def against_optimization_test_data(self):
      # TODO: something wrong for certain n_points?
      return self.generate_tests([dict(n_points=10, atol=1e-4)])
  
imports: import random
  import geomstats.backend
  from geomstats.test.data import TestData
  from ._base import BaseEstimatorTestData, MeanEstimatorMixinsTestData
label_desc: Use image node_id 1 for calling the CircularMeanTestData obj's underlying member method code with example usage: obj.against_optimization_test_data() and returns: self