def test_removeEnhancement(self):
        stub = StubEnhancement.createFor(self.thing)
        stub.removeEnhancement()
        self.assertIdentical(IStubSimulation(self.thing, None), None)
        self.assertEquals([stub], list(self.store.query(StubEnhancement)))
L{Enhancement.removeEnhancement} removes the L{Enhancement} from its
dataset/ETHPy150Open twisted/imaginary/imaginary/test/test_enhancement.py/EnhancementTests.test_removeEnhancement