def METHOD_NAME():
    class UserLiftimeInsightEntityMock:
        def __new__(cls, values: dict):
            cls.insights = [
                # No `end_time` Key, reference to this issue:
                # https://github.com/airbytehq/airbyte/issues/22929
                {
                    "description": "Test_no_end_time",
                    "id": "18/insights/audience_gender_age/lifetime",
                    "name": "audience_gender_age",
                    "period": "lifetime",
                    "title": "Gender and Age",
                    "values": [values],
                },
            ]
        @classmethod
        def get(cls, element):
            for insight in cls.insights:
                return insight[element]
        @classmethod
        def get_insights(cls, **kwargs) -> List[dict]:
            return cls.insights
    return UserLiftimeInsightEntityMock