hg: jdk9/dev/nashorn: 8157605: Can't set both CONCURRENCY and EXTRA_JTREG_OPTIONS when running tests

[staffan.larsen at oracle.com]

Changeset: 80a95fbd3e68
Author:    sla
Date:      2016-05-24 12:15 +0200
URL:       http://hg.openjdk.java.net/jdk9/dev/nashorn/rev/80a95fbd3e68

8157605: Can't set both CONCURRENCY and EXTRA_JTREG_OPTIONS when running tests
Reviewed-by: tbell, erikj

! test/Makefile