Here's what I've come up with:

• Test. Provides a simple framework for creating test scripts.
• Test::Harness. run perl standard test scripts with statistics.
• Template::Test. module for automating test scripts.
• HTML::Testing. Test module to make test files simpler.
• General list of test related Perl modules.

I tried to pick out the ones that I thought would most likely fit what you're looking for, but I haven't actually used any of them. Unfortunately, I don't know that Perl has the testing suite support that's available for other products. I just haven't heard much in this area. If you find anything that looks really good, please post a follow-up.

Good luck!

Cheers,
Ovid