code: def test_numpy_values(self, keys, times, names):
      input_data = {
          "img": np.array([[0, 1], [1, 2]]),
          "seg": np.array([[3, 4], [4, 5]]),
      }
      result = CopyItemsd(keys=keys, times=times, names=names)(
          input_data
      )
      for name in ensure_tuple(names):
          self.assertTrue(name in result)
      result["img_1"] += 1
      np.testing.assert_allclose(
          result["img_1"], np.array([[1, 2], [2, 3]])
      )
      np.testing.assert_allclose(
          result["img"], np.array([[0, 1], [1, 2]])
      )
  
file_path: MONAI/tests/test_copy_itemsd.py
imports: from __future__ import annotations
  import unittest
  import numpy
  import torch
  from parameterized import parameterized
  from monai.networks import eval_mode
  from monai.transforms import CopyItemsd
  from monai.utils import ensure_tuple
  from tests.utils import assert_allclose
label_desc: Use image node_id 1 for calling the TestCopyItemsd obj's underlying member method code with example usage: obj.test_numpy_values(keys, times, names) without return types