code: def test_weird_mode(self):
      with self.assertRaises(Exception):
          check_should_stop(
              mode="adslhfjdkas",
              performance_history=[1, 2, 3, 4, 5, 6, 7, 8, 9],
          )
  
file_path: NiftyNet/tests/handler_early_stopping_test.py
imports: from __future__ import absolute_import, print_function
  import tensorflow
  import numpy
  from niftynet.engine.handler_early_stopping import check_should_stop
  from tests.niftynet_testcase import NiftyNetTestCase
label_desc: Use image node_id 7 for calling the EarlyStopperTest obj's underlying member method code with example usage: obj.test_weird_mode() without return types