code: def test_trace_product_vec(self, n_reps, atol):
      mat_1 = self.data_generator.random_mat()
      shape = mat_1.shape[-2:]
      mat_2 = gs.transpose(self.data_generator.random_mat(shape=shape))
  
      expected = Matrices.trace_product(mat_1, mat_2)
  
      vec_data = generate_vectorization_data(
          data=[
              dict(
                  mat_1=mat_1, mat_2=mat_2, expected=expected, atol=atol
              )
          ],
          arg_names=["mat_1", "mat_2"],
          expected_name="expected",
          n_reps=n_reps,
      )
      self._test_vectorization(vec_data)
  
imports: import pytest
  import geomstats.backend
  from geomstats.geometry.matrices import Matrices
  from geomstats.test.test_case import TestCase
  from geomstats.test.vectorization import generate_vectorization_data
  from geomstats.test_cases.geometry.base import MatrixVectorSpaceTestCase
  from geomstats.test_cases.geometry.euclidean import EuclideanMetricTestCase
label_desc: Use image node_id 34 for calling the MatrixOperationsTestCase obj's underlying member method code with example usage: obj.test_trace_product_vec(n_reps, atol) without return types