[Python] Why are my Python pytest tests failing due to timeout errors?

I'm using pytest to run unit tests for my Python application. My tests involve asynchronous operations, and I'm encountering timeout errors even though the functions seem to complete successfully when run manually. Here's an example of my test code:

import pytest
import asyncio
from my_module import fetch_data

@pytest.mark.asyncio
async def test_fetch_data():
result = await fetch_data()
assert result == "expected data"


When running my tests with pytest, I keep getting timeout errors:

asyncio.exceptions.TimeoutError: Test timed out after 5 seconds


Why is pytest timing out, and what changes should I make to resolve these timeout errors?

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