hg: jigsaw/jake/jdk: jlink test should check if jmods are present

[mandy . chung]

Changeset: 00023ccfa6da
Author:    mchung
Date:      2016-02-05 18:41 -0800
URL:       http://hg.openjdk.java.net/jigsaw/jake/jdk/rev/00023ccfa6da

jlink test should check if jmods are present

! 
test/jdk/jigsaw/tools/jlink/plugins/InstalledModuleDescriptors/UserModuleTest.java