Please review this small change that splits the tier2 test group into three smaller test groups that can be executed in parallel.
Webrev: http://cr.openjdk.java.net/~ctornqvi/webrev/8201609/webrev.00/ <http://cr.openjdk.java.net/~ctornqvi/webrev/8201609/webrev.00/> Bug: https://bugs.openjdk.java.net/browse/JDK-8201609 <https://bugs.openjdk.java.net/browse/JDK-8201609> Thanks, Christian
