code: def log_test_data(self):
      data = [
          dict(
              point=gs.array(
                  [
                      [
                          [2.0, 0.0, 0.0],
                          [0.0, 3.0, 0.0],
                          [0.0, 0.0, 4.0],
                      ],
                      [
                          [1.0, 0.0, 0.0],
                          [0.0, 5.0, 0.0],
                          [0.0, 0.0, 6.0],
                      ],
                  ]
              ),
              base_point=None,
              expected=gs.array(
                  [
                      [
                          [0.693147180, 0.0, 0.0],
                          [0.0, 1.09861228866, 0.0],
                          [0.0, 0.0, 1.38629436],
                      ],
                      [
                          [0.0, 0.0, 0.0],
                          [0.0, 1.609437912, 0.0],
                          [0.0, 0.0, 1.79175946],
                      ],
                  ]
              ),
          )
      ]
      return self.generate_tests(data)
  
imports: import random
  import geomstats.backend
  from geomstats.test.data import TestData
  from .base import VectorSpaceOpenSetTestData
  from .lie_group import MatrixLieGroupTestData
  from .matrices import MatricesMetricTestData
label_desc: Use image node_id 4 for calling the GeneralLinear3TestData obj's underlying member method code with example usage: obj.log_test_data() and returns: self