Install torque using auto-install scripts.
Ensure torque is running properly:
pbsnodes -a

Ensure nodes are listed as "nodename np=#" in /var/spool/pbs/server_priv/nodes

cat create_queues | qmgr
qstart  short low medium high
qenable short low medium high

Ensure queues are running:
qstat -fQ

Move the testPBS.sh script to the test user's directory (/home/testm).
As testm, submit testPBS.sh, which will submit a job running cpi:
qsub -q short testPBS.sh