def test_deregister(self):
        self.site.external_manager.register_processor(DummyCriticalFailingProc)
        self.assertRaises(ExternalFailure, self.site.build)
        self.site.external_manager.deregister_processor(DummyCriticalFailingProc)
        self.site.build()
Test that we can de-register a processor.
dataset/ETHPy150Open koenbok/Cactus/cactus/tests/test_external.py/TestStaticExternals.test_deregister