columnstoreClusterTester - not testing all nodes for /dev/shm

columnstoreClusterTester.sh when running on a system with 3 modules or more on a non-root install is only testing 1 of the remote modules for the /dev/shm write test.

./columnstoreClusterTester.sh --ipaddr=172.31.34.10,172.31.38.103

• • • This is the MariaDB Columnstore Cluster System Test Tool ***

• • Validate local OS is supported

Local Node OS System Name : CentOS Linux 7 (Core)

• • Run Non-root User directory permissions check on Local Node (dev/shm)

Local Node permission test on /dev/shm : Passed

• • Run Local UMASK check

UMASK local setting test passed

• • Run Local SELINUX check

Local Node SELINUX setting is Not Enabled

• • Run Ping access Test to remote nodes

172.31.34.10 Node Passed ping test
172.31.38.103 Node Passed ping test

• • Run SSH Login access Test to remote nodes

172.31.34.10 Node Passed SSH login test using ssh-keys
172.31.38.103 Node Passed SSH login test using ssh-keys

• • Run Non-root User directory permissions check on remote nodes (/dev/shm)

172.31.38.103 Node permission test on /dev/shm : Passed

• • Run OS check - OS version needs to be the same on all nodes
    ...