runtest.py: Get Apache debug info before running prepare_env hook
runtest.py: Get Apache debug info before running prepare_env hook

This minimizes the risk of exceptions between the hook and the with
block containing the services, allowing for the hook to return a
cleanup callback later.

airtower-luna/mod_gnutls,airtower-luna/mod_gnutls,airtower-luna/mod_gnutls