403 error on JBoss Negotiation Toolkit "Secured" test with SPNEGO authentication on EAP 6/7

Issue

• The first two tests in the JBoss Negotiation Toolkit pass, but the 3rd test is giving a 403 error.
• Can't get jboss-negotiation-toolkit to function properly, We can't get the "secured" option to work properly. The "Basic Negotiation" and "Security Domain Test" works fine.
• When connecting using Kerberos, facing the following issue. Expect to have Kerberos Authetication work correctly but get the following errors:

>>>KRBError:
sTime is Tue May 05 14:51:56 CDT 2016 1462909916111
suSec is 773978
error code is 25
error Message is Additional pre-authentication
sname is krbtgt/MY.AD.DOMAIN.COM@MY.AD.DOMAIN.COM
eData provided.
msgType is 30

• The message "PBOX00354: Setting security roles ThreadLocal: null" is logged in server.log