code: def test_invalid(self):
      d = cuda.Device(100)
      with pytest.raises(cuda.runtime.CUDARuntimeError):
          d.use()
      with pytest.raises(cuda.runtime.CUDARuntimeError):
          with d:
              pass
      with cuda.Device(0):
          pass
  
imports: import re
  import threading
  import unittest
  import pytest
  import cupy
  from cupy import cuda
  from cupy import testing
label_desc: Use image node_id 7 for calling the TestDeviceSwitch obj's underlying member method code with example usage: obj.test_invalid() without return types