code: def to_lower_triangular_diagonal_scaled_is_lower_triangular_test_data(
      self,
  ):
      return self.generate_random_data()
  
imports: import math
  import geomstats.backend
  from geomstats.test.data import TestData
  from .base import MatrixVectorSpaceTestData
  from .riemannian_metric import RiemannianMetricTestData
label_desc: Use image node_id 19 for calling the MatrixOperationsTestData obj's underlying member method code with example usage: obj.to_lower_triangular_diagonal_scaled_is_lower_triangular_test_data() and returns: self