Add test for async experiments

tests/test_async.py

@@ -0,0 +1,19 @@
+#!/usr/bin/env python3 -m pytest
+import asyncio
+
+import pytest
+
+from plextraktsync.sync import Sync
+from plextraktsync.walker import Walker
+from tests.conftest import factory
+
+
+@pytest.mark.asyncio
+async def test_plex_sync():
+    walker: Walker = factory.walker
+    runner: Sync = factory.sync
+    await runner.sync(walker, dry_run=True)
+
+
+if __name__ == '__main__':
+    asyncio.run(test_plex_sync())