NMS-8838: fix ability to skip ping tests
NMS-8838: fix ability to skip ping tests

For reasons I don't understand, maven's not respecting MAVEN_OPTS when the property is specified in a parent POM. The workaround is to only set it to a default value when it isn't defined in MAVEN_OPTS using a profile.
aihua/opennms,aihua/opennms,aihua/opennms,aihua/opennms,aihua/opennms,aihua/opennms,aihua/opennms,aihua/opennms,aihua/opennms