Question: how to mock/write propper unittests about odmantic HOT 2 OPEN

from typing import Optional
from unittest import IsolatedAsyncioTestCase
from odmantic import AIOEngine, Model, Field


class Publisher(Model):
    name: str
    founded: int = Field(ge=1440)
    location: Optional[str] = None

engine = AIOEngine()

class TestPatients(IsolatedAsyncioTestCase):

    async def test_one(self):
        await engine.save(
            Publisher(
                name="Penguin",
                founded=1935,
                location="London"
            )
        )

    async def test_two(self):
        await engine.save(
            Publisher(
                name="Penguin",
                founded=1935,
                location="London"
            )
        )