Do not ban supervisor ip if set (#33781)

* Use asynctest patch instead of mock_coro

* Add test for supervisor ip ban

* Do not ban supervisor ip if set

* Extract supervisor ip helper

* Check supervisor ip before banning

* Remove added blank line

* Clean up get supervisor ip

Co-Authored-By: Pascal Vizeli <pvizeli@syshack.ch>

Co-authored-by: Pascal Vizeli <pvizeli@syshack.ch>

tests/components/conftest.py

@@ -1,16 +1,12 @@
 """Fixtures for component testing."""
-from unittest.mock import patch
-
+from asynctest import patch
 import pytest
 
-from tests.common import mock_coro
-
 
 @pytest.fixture(autouse=True)
 def prevent_io():
     """Fixture to prevent certain I/O from happening."""
     with patch(
-        "homeassistant.components.http.ban.async_load_ip_bans_config",
-        side_effect=lambda *args: mock_coro([]),
+        "homeassistant.components.http.ban.async_load_ip_bans_config", return_value=[],
     ):
         yield