code: def log_test_data(self):
      data = [
          dict(
              point=gs.array([[4.0, 0.0], [0.0, 4.0]]),
              base_point=gs.array([[1.0, 0.0], [0.0, 1.0]]),
              expected=gs.array([[2.0, 0.0], [0.0, 2.0]]),
          )
      ]
      return self.generate_tests(data)
  
imports: import geomstats.backend
  from geomstats.test.data import TestData
  from .fiber_bundle import FiberBundleTestData
  from .manifold import ManifoldTestData
  from .mixins import ProjectionMixinsTestData
  from .quotient_metric import QuotientMetricTestData
label_desc: Use image node_id 2 for calling the PSD22BuresWassersteinMetricTestData obj's underlying member method code with example usage: obj.log_test_data() and returns: self