test default params for all supported OS
test default params for all supported OS

the test used to be for RHEL7 only, we can just test all supported OS versions

tuxmea/opennebula-puppet-module,epost-dev/opennebula-puppet-module,epost-dev/opennebula-puppet-module,tuxmea/opennebula-puppet-module,fasrc/opennebula-puppet-module,epost-dev/opennebula-puppet-module,fasrc/opennebula-puppet-module,epost-dev/opennebula-puppet-module,fasrc/opennebula-puppet-module,tuxmea/opennebula-puppet-module,tuxmea/opennebula-puppet-module,fasrc/opennebula-puppet-module