def save(self, doc):
        if doc.id:
            return self.update(doc)
        else:
            return self.insert(doc)
def test_base_class_get_all_html_content_strings(self):
        with self.assertRaisesRegex(
            NotImplementedError,
            'Subclasses of BaseSuggestion should implement'
            ' get_all_html_content_strings.'):
            self.base_suggestion.get_all_html_content_strings()