code: def compose_test_data(self):
      data = [
          dict(
              point_a=gs.array([[1.0, 0.0], [0.0, 2.0]]),
              point_b=gs.array([[2.0, 0.0], [0.0, 1.0]]),
              expected=2.0 * gs.eye(2),
          )
      ]
      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 1 for calling the GeneralLinear2TestData obj's underlying member method code with example usage: obj.compose_test_data() and returns: self