[PATCH] windowscodecs/tests: handle failure to create png decoder

[Aric Stewart]

On 9/30/15 11:08 AM, Vincent Povirk wrote:
>> If this is about fixing macos failures, Vincent pointed out that there was a
>> decision at some point to fix broken builds and not to workaround that in
>> test code.
> 
> AFAICT this patch won't actually prevent failures, just skip later
> tests after the failure so they don't crash.
> 
> 

Correct. I am leaving in the failures because I agree they are important. I just want to have it register as a failure and not as a crash.

-aric