first prepare for refactoring

Author: sanderegg

packages/service-library/tests/test_redis.py

@@ -180,6 +180,7 @@ async def test_lock_context_raises_if_lock_is_lost(
             await asyncio.sleep(20)
 
 
+@pytest.mark.xfail(reason="This test shows an issue, that will be fixed in the next PR")
 async def test_lock_context_with_already_locked_lock_raises(
     redis_client_sdk: RedisClientSDK, faker: Faker
 ):