hg: jigsaw/jake/jdk: Add test to ensure that init messages go to the right stream

[alan . bateman]

Changeset: 3182213b9bbb
Author:    alanb
Date:      2017-03-15 09:41 +0000
URL:       http://hg.openjdk.java.net/jigsaw/jake/jdk/rev/3182213b9bbb

Add test to ensure that init messages go to the right stream

+ test/tools/launcher/modules/basic/InitErrors.java