Run perltap tests again

They do integration tests, which we don't have a better framework for
handling yet, so let them run.

(they all fail right now)

Signed-off-by: Robin Sonefors <robin.sonefors@op5.com>
test-squeue: Fix supposed duplicate declaration

This should allow tests to run with even more pedantic build tools.

Signed-off-by: Robin Sonefors <robin.sonefors@op5.com>