Increase timeout for pkg tests.

* Since we started running a refresh_db in pkgrepo (7c3d0cc80db5d455fde8cd5044a3dc91bfa272f0), we may be checking an exit code prematurely. This increases the timeouts to 120 seconds to see if Jenkins will calm itself.
Merge pull request #9492 from cachedout/unit-tests

Increase timeout for pkg tests.