[racket] Can `raco test ...' return non 0 values?

Jay McCarthy <jay.mccarthy at gmail.com> writes:

> On Wed, Mar 20, 2013 at 1:25 PM, Diogo F. S. Ramos <diogofsr at gmail.com> wrote:
>> My backup plan is to write a filter that will wrap around `raco test
>> ...'. It will then output everything `raco test ...' outputs but will
>> heuristically look for failures, like the word "FAILURE" or the phrase
>> "Check failure", returning non-0 values accordingly.
>
> Another option is to just look for output to STDERR. That's what DrDr
> does to be testing system agnostic (in addition to looking for non-0
> exit codes.)

Uh, great idea. Thank you.