code: def setUp(self):
      old_config = _ufunc_config.geterr()
      yield
      _ufunc_config.seterr(**old_config)
  
imports: import contextlib
  import io
  import numpy
  import pytest
  from cupy import testing
  from cupyx import fallback_mode
  from cupyx import _ufunc_config
  from cupyx_tests.fallback_mode_tests import test_fallback
label_desc: Use image node_id 1 for calling the NotificationTestBase obj's underlying member method code with example usage: obj.setUp() without return types