code: def testControllerThrowsExceptionWhenBlocked(self):
      self._controller.move_to(100.0, 0.0)
      with self.assertRaises(game_controller.PathBlockedError):
          self._controller.move_to(10000.0, 0.0)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  from absl.testing import absltest
  import numpy
  import six
  import deepmind_lab
  from python.tests.utils import game_controller
  from python.tests.utils import math_utils
  from python.tests.utils import test_environment_decorator
label_desc: Use image node_id 6 for calling the GameControllerTest obj's underlying member method code with example usage: obj.testControllerThrowsExceptionWhenBlocked() without return types