Revert #6527

src/tribler/core/components/tunnel/tests/test_full_session/conftest.py

@@ -1,14 +1,6 @@
-import asyncio
-
 import pytest
 
 
-@pytest.fixture
-def event_loop():
-    # We use a SelectorEventLoop on all platforms so our test suite should use a similar event loop.
-    return asyncio.SelectorEventLoop()
-
-
 def pytest_addoption(parser):
     parser.addoption('--tunneltests', action='store_true', dest="tunneltests",
                      default=False, help="enable tunnel tests")

src/tribler/core/conftest.py

@@ -1,32 +1,29 @@
-import asyncio
+import os
 import os
 import sys
 from pathlib import Path
 from unittest.mock import MagicMock
 
+import pytest
 from aiohttp import web
-
 from ipv8.keyvault.crypto import default_eccrypto
 from ipv8.keyvault.private.libnaclkey import LibNaCLSK
 from ipv8.util import succeed
 
-import pytest
-
+from tribler.core.components.knowledge.db.knowledge_db import KnowledgeDatabase
 from tribler.core.components.libtorrent.download_manager.download import Download
 from tribler.core.components.libtorrent.download_manager.download_config import DownloadConfig
 from tribler.core.components.libtorrent.download_manager.download_manager import DownloadManager
 from tribler.core.components.libtorrent.settings import LibtorrentSettings
 from tribler.core.components.libtorrent.torrentdef import TorrentDef
 from tribler.core.components.metadata_store.db.store import MetadataStore
-from tribler.core.components.knowledge.db.knowledge_db import KnowledgeDatabase
 from tribler.core.config.tribler_config import TriblerConfig
 from tribler.core.tests.tools.common import TESTS_DATA_DIR, TESTS_DIR
 from tribler.core.tests.tools.tracker.udp_tracker import UDPTracker
 from tribler.core.utilities.network_utils import default_network_utils
 from tribler.core.utilities.simpledefs import DLSTATUS_SEEDING
 from tribler.core.utilities.unicode import hexlify
 
-
 # Enable origin tracking for coroutine objects in the current thread, so when a test does not handle
 # some coroutine properly, we can see a traceback with the name of the test which created the coroutine.
 # Note that the error can happen in an unrelated test where the unhandled task from the previous test
@@ -234,12 +231,6 @@ def test_tdef(state_dir):
     return tdef
 
 
-@pytest.fixture
-def event_loop():
-    # We use a SelectorEventLoop on all platforms so our test suite should use a similar event loop.
-    return asyncio.SelectorEventLoop()
-
-
 @pytest.fixture
 def loop(event_loop):
     """