code: def test_no_key(self):
      key = "unknown"
      rotate = Rotate90d(keys=key)
      with self.assertRaisesRegex(KeyError, ""):
          rotate({"test": self.imt[0]})
  
file_path: MONAI/tests/test_rotate90d.py
imports: from __future__ import annotations
  import unittest
  import numpy
  from monai.data import MetaTensor, set_track_meta
  from monai.transforms import Rotate90d
  from tests.lazy_transforms_utils import test_resampler_lazy
  from tests.utils import TEST_NDARRAYS_ALL, NumpyImageTestCase2D, assert_allclose, test_local_inversion
label_desc: Use image node_id 5 for calling the TestRotate90d obj's underlying member method code with example usage: obj.test_no_key() without return types