hg: lambda/lambda/jdk: update to testng 6.7

[mike.duigou at oracle.com]

Changeset: 4926de6fc473
Author:    mduigou
Date:      2012-10-15 13:29 -0700
URL:       http://hg.openjdk.java.net/lambda/lambda/jdk/rev/4926de6fc473

update to testng 6.7

! test-ng/build.xml