hg: jdk9/sandbox/langtools: 8156658: Common way to run jtreg tests

[chris.hegarty at oracle.com]

Changeset: dc0578912ee5
Author:    sla
Date:      2016-05-11 11:06 +0200
URL:       http://hg.openjdk.java.net/jdk9/sandbox/langtools/rev/dc0578912ee5

8156658: Common way to run jtreg tests
Reviewed-by: erikj, dsamersoff

! test/Makefile