The TagResource api call method does not seem to be available.  Get a 404 (NOT FOUND) when calling this method.
ALIAS_NAME = 'alias1'
    ALIAS2_NAME = 'alias2'
    RESOURCENOTFOUND_EXCEPTION = 'ResourceNotFoundException'
    RESOURCENOTFOUND_MESSAGE = 'Function not found: %s'
    ALIASEXISTS_EXCEPTION = 'ResourceConflictException'
    ALIASEXISTS_MESSAGE = 'Alias already exists: %s'
    ALIASNOTFOUND_EXCEPTION = 'ResourceNotFoundException'
    ALIASNOTFOUND_MESSAGE = 'Alias not found: %s'
    TEST_UUID = 'Test'
    def setUp(self):
        lambda_api.cleanup()
        self.maxDiff = None
        self.app = lambda_api.app
        self.app.testing = True
        self.client = self.app.test_client()
    def test_get_non_existent_function_returns_error(self):
        with self.app.test_request_context():
            result = json.loads(lambda_api.get_function('non_existent_function_name').get_data())
            self.assertEqual(self.RESOURCENOTFOUND_EXCEPTION, result['__type'])
            self.assertEqual(
                self.RESOURCENOTFOUND_MESSAGE % lambda_api.func_arn('non_existent_function_name'),
                result['message'])
    def test_get_event_source_mapping(self):
        with self.app.test_request_context():
            lambda_api.event_source_mappings.append({'UUID': self.TEST_UUID})
            result = lambda_api.get_event_source_mapping(self.TEST_UUID)
            self.assertEqual(json.loads(result.get_data()).get('UUID'), self.TEST_UUID)
    def test_delete_event_source_mapping(self):
        with self.app.test_request_context():
            lambda_api.event_source_mappings.append({'UUID': self.TEST_UUID})