Test matches earn more than ODI's

Here is an excerpt from an ECB media release.

The review concluded "excluding overheads and financial costs the average Test match generates a total contribution of about £1.5m for the club".

"On the same basis the average one-day international generates an average total contribution of £240k. 

I was under the impression that Test matches were a losing proposition. The truth is other wise. Both make money, however Tests score over ODI's.