If the AS testsuite runs with SM enabled, the domain tests don't run under the SM. First upstream fix: https://github.com/wildfly/wildfly/pull/5575 It seems, it will need some more system properties to be configured when for instance a Host controller process is started.
https://github.com/jbossas/jboss-eap/pull/813
Verified on EAP 6.3.0.DR0.