Give the mocked cloud subscription info a real payload (#179865)

Co-authored-by: Claude <noreply@anthropic.com>

tests/components/cloud/conftest.py

@@ -79,7 +79,7 @@ async def cloud_fixture() -> AsyncGenerator[MagicMock]:
         mock_cloud.started = None
         mock_cloud.payments = MagicMock(
             spec=payments_api.PaymentsApi,
-            subscription_info=AsyncMock(),
+            subscription_info=AsyncMock(return_value={"provider": None}),
             migrate_paypal_agreement=AsyncMock(),
         )
         mock_cloud.ice_servers = MagicMock(