async def METHOD_NAME(self):
    one = await self.UUIDPkModel.create()
    two1 = await self.UUIDM2MRelatedModel.create()
    two2 = await self.UUIDM2MRelatedModel.create()
    await one.peers.add(two1, two2)
    await one.peers.clear()
    self.assertEqual(await one.peers, [])
    self.assertEqual(await two1.models, [])
    self.assertEqual(await two2.models, [])