code: def unary_op_given_shape_test_data(self):
      smoke_data = [
          dict(func_name="copy", array_shape=(2, 2)),
          dict(func_name="diagonal", array_shape=(2, 2)),
          dict(func_name="erf", array_shape=2),
          dict(func_name="flatten", array_shape=(2, 2)),
          # TODO: add test in BackendsTestData
          dict(
              func_name="get_slice",
              array_shape=(2, 2),
              kwargs={"indices": [(0,)]},
          ),
          dict(func_name="trace", array_shape=(2, 2)),
          dict(func_name="tril", array_shape=(2, 2)),
          dict(func_name="tril", array_shape=(2, 2), kwargs={"k": -1}),
          dict(func_name="triu", array_shape=(2, 2)),
          dict(func_name="triu", array_shape=(2, 2), kwargs={"k": 1}),
          dict(func_name="tril_to_vec", array_shape=(2, 2)),
          dict(func_name="triu_to_vec", array_shape=(2, 2)),
          dict(func_name="vec_to_diag", array_shape=3),
          # TODO: add test in BackendsTestData
          dict(func_name="linalg.norm", array_shape=3),
      ]
  
      return self.generate_tests(smoke_data)
  
imports: import numpy
  import geomstats.backend
  from geomstats.geometry.matrices import Matrices
  from geomstats.geometry.spd_matrices import SPDMatrices
  from geomstats.geometry.symmetric_matrices import SymmetricMatrices
  from geomstats.test.data import TestData
label_desc: Use image node_id 10 for calling the DtypeTestData obj's underlying member method code with example usage: obj.unary_op_given_shape_test_data() and returns: self