code: def func_out_equal_test_data(self):
      smoke_data = [
          dict(func_name="shape", args=(1,), expected=()),
          dict(func_name="shape", args=([1, 2],), expected=(2,)),
          dict(func_name="shape", args=(gs.ones(3),), expected=(3,)),
          dict(
              func_name="shape",
              args=(gs.ones((3, 3)),),
              expected=(3, 3),
          ),
          dict(
              func_name="take", args=[gs.array([0, 1]), 0], expected=0
          ),
      ]
  
      return self.generate_tests(smoke_data)
  
file_path: geomstats/tests/tests_geomstats/test_backend/data/backend.py
imports: import geomstats.backend
  from geomstats.geometry.matrices import Matrices
  from geomstats.geometry.spd_matrices import SPDMatrices
  from geomstats.geometry.special_orthogonal import SpecialOrthogonal
  from geomstats.geometry.symmetric_matrices import SymmetricMatrices
  from geomstats.test.data import TestData
label_desc: Use image node_id 12 for calling the BackendTestData obj's underlying member method code with example usage: obj.func_out_equal_test_data() and returns: self