test_async_beacon.py: fix Unclosed client session in test_async_beaco…

…n_user_request_timeout

Signed-off-by: Lukas Rusak <[email protected]>

tests/beacon/test_async_beacon.py

@@ -3,6 +3,9 @@
     randint,
 )
 
+from aiohttp import (
+    ClientTimeout,
+)
 from aiohttp.client_exceptions import (
     InvalidURL,
 )
@@ -46,10 +49,10 @@ async def test_async_cl_beacon_raises_exception_on_invalid_url(async_beacon):
 
 
 @pytest.mark.asyncio
-async def test_async_beacon_user_request_timeout():
-    beacon = AsyncBeacon(base_url=BASE_URL, request_timeout=0.001)
+async def test_async_beacon_user_request_timeout(async_beacon):
+    async_beacon.request_timeout = ClientTimeout(0.001)
     with pytest.raises(TimeoutError):
-        await beacon.get_validators()
+        await async_beacon.get_validators()
 
 
 # Beacon endpoint tests: