diff --git a/tests/test_litellm/proxy/health_endpoints/test_health_endpoints.py b/tests/test_litellm/proxy/health_endpoints/test_health_endpoints.py
index 67008ea2ffb..fbb5aeabf2d 100644
--- a/tests/test_litellm/proxy/health_endpoints/test_health_endpoints.py
+++ b/tests/test_litellm/proxy/health_endpoints/test_health_endpoints.py
@@ -4186,11 +4186,15 @@ async def test_health_services_endpoint_langfuse_missing_keys_errors(monkeypatch
     """v2 raised out of ``auth_check`` and the endpoint printed the server's answer; the v4 check
     returns the failure as a value, and the endpoint has to error with that reason rather than a
     generic credentials message that reads the same for an outage and a bad key."""
-    for key in ("LANGFUSE_PUBLIC_KEY", "LANGFUSE_SECRET_KEY", "LANGFUSE_BASE_URL", "LANGFUSE_MOCK"):
-        monkeypatch.delenv(key, raising=False)
-    monkeypatch.setenv("LANGFUSE_HOST", "http://127.0.0.1:9")
-    monkeypatch.setattr(litellm, "initialized_langfuse_clients", litellm.initialized_langfuse_clients)
+    import litellm.integrations.langfuse.langfuse as langfuse_module
+    from litellm.integrations.langfuse.langfuse_sdk import AuthCheckFailure
+
+    logger_class = MagicMock()
+    logger_class.return_value.api_client.auth_check.return_value = AuthCheckFailure(
+        "connection refused by lf.internal.example"
+    )
+    monkeypatch.setattr(langfuse_module, "LangFuseLogger", logger_class)
 
     with pytest.raises(ProxyException, match="auth_check failed") as raised:
         await health_services_endpoint(service="langfuse")
-    assert "127.0.0.1" in str(raised.value.message) or "refused" in str(raised.value.message).lower()
+    assert "connection refused by lf.internal.example" in str(raised.value.message)