code: def dist_point_to_itself_is_zero_test_data(self):
      return self.generate_random_data()
  
imports: from .connection import ConnectionCmpWithPointTransformTestData, ConnectionCmpWithTransformTestData, ConnectionComparisonTestData, ConnectionTestData
label_desc: Use image node_id 20 for calling the RiemannianMetricTestData obj's underlying member method code with example usage: obj.dist_point_to_itself_is_zero_test_data() and returns: self