'Verify not implemented errors'

def test_not_implemented(self):

    with self.assertRaises(NotImplementedError):
        self.client.get(self.url)
    with self.assertRaises(NotImplementedError):
        self.client.ajax_post(self.url, data=json.dumps({'tab_id_locator': {'tab_id': 'courseware'}, 'unsupported_request': None}))
    with self.assertRaises(NotImplementedError):
        self.client.ajax_post(self.url, data={'invalid_request': None})
