[12] RFR 8208483: Add 5 JNDI tests to com/sun/jndi/dns/FactoryTests/

[Chris Yin]

Please review the changes to add 5 JNDI tests to com/sun/jndi/dns/FactoryTests/ in OpenJDK, thanks

bug: https://bugs.openjdk.java.net/browse/JDK-8208483 <https://bugs.openjdk.java.net/browse/JDK-8208483>
webrev: http://cr.openjdk.java.net/~xyin/8208483/webrev.00/ <http://cr.openjdk.java.net/~xyin/8208483/webrev.00/>

Regards,
Chris