Fix runtime-extended tests for jboss cartridges

The jboss cartridge cartridge-lifecycle-jboss{as,eap}.feature scripts
were assuming all artifacts (exploded and archive) were being deployed
after multi-artifact deployment, when the deployment-scanner was
reverted back to deploying only archive artifacts it broke this
assumption.
Merge pull request #3276 from detiber/fixtests

Merged by openshift-bot