Use shared SESSION_COOKIE_NAME in auth router tests

backend/tests/test_routers/test_dependency_injection.py

@@ -18,6 +18,7 @@ from app.dependencies import get_auth_service, get_jail_service
 from app.main import create_app
 from app.models.auth import Session
 from app.models.jail import JailListResponse
+from app.utils.constants import SESSION_COOKIE_NAME
 from app.utils.setup_state import set_setup_complete_cache
 
 
@@ -149,7 +150,7 @@ async def test_auth_login_uses_injected_auth_service(tmp_path: Path) -> None:
 
     assert response.status_code == 200
     assert response.json()["token"].startswith("fake-token")
-    assert response.cookies.get("bangui_session") is not None
+    assert response.cookies.get(SESSION_COOKIE_NAME) is not None
 
 
 async def test_jail_list_uses_injected_jail_service_and_auth(tmp_path: Path) -> None:
@@ -180,7 +181,7 @@ async def test_jail_list_uses_injected_jail_service_and_auth(tmp_path: Path) ->
     ) as client:
         response = await client.get(
             "/api/jails",
-            headers={"Cookie": "bangui_session=fake-token"},
+            headers={"Cookie": f"{SESSION_COOKIE_NAME}=fake-token"},
         )
 
     await db.close()