Fix FastAPI + some async db + httpx tests having no event loop / different event loop

conftest.py

"""Fixes the following error:

RuntimeError: Task <Task pending name='Task-215' coro=<test_view() running at 
    {proj}/{test_dir}/test_view.py:23> cb=[_run_until_complete_cb() at /{env_dir}/python3.11/asyncio/base_events.py:180]
    > got Future <Future pending> attached to a different loop
"""
import asyncio
from typing import Generator

import pytest

@pytest.fixture(scope="session")
def event_loop() -> Generator:
    loop = asyncio.get_event_loop_policy().new_event_loop()
    yield loop
    loop.close()