def METHOD_NAME(self):
    self.failUnlessRaises(KeyError, QUERY_HANDLER.get_plugin, 'fake')
    QUERY_HANDLER.plugin_enable(fake_plugin)
    self.failUnless(
        isinstance(QUERY_HANDLER.get_plugin('fake'), FakeQueryPlugin))
    QUERY_HANDLER.plugin_disable(fake_plugin)
    self.failUnlessRaises(KeyError, QUERY_HANDLER.get_plugin, 'fake')