@httpretty.activate
    def test_put_team_membership_fail(self):
        self.register_team_list(self.callback_team_list)
        self.register_team_members(self.callback_team_members)
        self.register_team_membership(
            partial(self.callback_team_membership, success=False)
        )
        git_hub = GitHub(self.URL, self.OAUTH2_TOKEN)
        with self.assertRaisesRegexp(
            GitHubUnknownError, '^Failed to add or remove.+$'
        ):
            git_hub.put_team(self.ORG, self.TEST_TEAM, True, [])
Apply ``self.classify()`` to each element of ``featuresets``.  I.e.:
dataset/ETHPy150Open mitodl/orcoursetrion/orcoursetrion/tests/test_github.py/TestGithub.test_put_team_membership_fail--crossover with--dataset/ETHPy150Open nltk/nltk/nltk/classify/api.py/ClassifierI.classify_many