code: def trace_product_vec_test_data(self):
      return self.generate_vec_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 22 for calling the MatrixOperationsTestData obj's underlying member method code with example usage: obj.trace_product_vec_test_data() and returns: self