Add test fixture for unauthenticated HTTP client (#55561)

* Add test fixture for unauthenticated HTTP client

* Remove things from the future

tests/conftest.py

@@ -331,6 +331,17 @@ def hass_client(hass, aiohttp_client, hass_access_token):
     return auth_client
 
 
+@pytest.fixture
+def hass_client_no_auth(hass, aiohttp_client):
+    """Return an unauthenticated HTTP client."""
+
+    async def client():
+        """Return an authenticated client."""
+        return await aiohttp_client(hass.http.app)
+
+    return client
+
+
 @pytest.fixture
 def current_request():
     """Mock current request."""