Give log event a name in a test (#44046)

This is mostly pointless but hey.

I didn't want to write log because there's often a log var.  I was annoyed that pre-commit was complaining about this so I just noqa'd it.  But what Kaxil wants, Kaxil gets ;)

tests/utils/test_session.py

@@ -63,5 +63,5 @@ async def test_async_session(self):
         session = create_async_session()
         session.add(Log(event="hihi1234"))
         await session.commit()
-        l = await session.scalar(select(Log).where(Log.event == "hihi1234").limit(1))  # noqa: E741
-        assert l.event == "hihi1234"
+        my_special_log_event = await session.scalar(select(Log).where(Log.event == "hihi1234").limit(1))
+        assert my_special_log_event.event == "hihi1234"