diff --git a/tests/components/auth/__init__.py b/tests/components/auth/__init__.py
index 18904cb2710..7b48855493e 100644
--- a/tests/components/auth/__init__.py
+++ b/tests/components/auth/__init__.py
@@ -4,6 +4,7 @@ from typing import Any
 
 from homeassistant import auth
 from homeassistant.core import HomeAssistant
+from homeassistant.helpers.typing import UNDEFINED, UndefinedType
 from homeassistant.setup import async_setup_component
 
 from tests.common import ensure_auth_manager_loaded
@@ -26,14 +27,16 @@ EMPTY_CONFIG = []
 async def async_setup_auth(
     hass: HomeAssistant,
     aiohttp_client: ClientSessionGenerator,
-    provider_configs: list[dict[str, Any]] = BASE_CONFIG,
-    module_configs=EMPTY_CONFIG,
+    provider_configs: list[dict[str, Any]] | UndefinedType = UNDEFINED,
+    module_configs: list[dict[str, Any]] | UndefinedType = UNDEFINED,
     setup_api: bool = False,
     custom_ip: str | None = None,
 ):
     """Set up authentication and create an HTTP client."""
     hass.auth = await auth.auth_manager_from_config(
-        hass, provider_configs, module_configs
+        hass,
+        BASE_CONFIG if provider_configs is UNDEFINED else provider_configs,
+        EMPTY_CONFIG if module_configs is UNDEFINED else module_configs,
     )
     ensure_auth_manager_loaded(hass.auth)
     await async_setup_component(hass, "auth", {})