def METHOD_NAME(s3_client):
    context = mock.Mock(function_name="some_func")
    event = dict(Records=[dict(body="first"), dict(body="second")])
    with Stubber(s3_client) as stubber:
        stubber.add_response(
            "put_object",
            {},
            dict(
                Body="first\nsecond", Bucket="not-a-real-bucket", Key="stats/some_func-2020-01-02-03:04:05.012312.log"
            ),
        )
        handle_sqs(event, context, s3_client, SOME_DATE)