As indicated in https://bugs.openjdk.org/browse/JDK-8357051?focusedId=14781894&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14781894, the makefiles might need improvement to properly parse jtreg skipped test information.

Further testing is needed though to verify if we indeed is missing information or not.