added test on GET /v1/test/public with no auth → 200

Author: Peibing Gu

backend-api/tests/test_health_public.py

@@ -0,0 +1,16 @@
+"""Smoke tests for public (unauthenticated) endpoints."""
+
+import pytest
+from httpx import AsyncClient
+
+
+@pytest.mark.asyncio
+async def test_public_endpoint_returns_200(client_factory) -> None:
+    client: AsyncClient = client_factory(None)
+    async with client:
+        response = await client.get("/v1/test/public")
+
+    assert response.status_code == 200
+    body = response.json()
+    assert body["requires_auth"] is False
+    assert "message" in body