So congrats for never forgetting to check in everything, and for never producing incompatibilities against code-changes a co-worker did make simultanious to yours, on different files... :-P
Our builds do notify users of breakages, however running builds is not the same as testing, I don't know how this got mixed in here...it's not related.
And again, extra testing by way of machine is nice, but it's just that -- extra testing. It's nice if you can ad it, but sometimes all you can get is 20% (or less) coverage. Here, we have a lot of hardware specific stuff (RAID cards and what have you) and we'd be lucky to get 1% coverage on the 'software' components.
Anyhow, no harm done, no offense taken, etc, etc :)